US3670952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Egg carton
Assignee: Individual
•
Filing: 1971-02-03
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Granted: 1972-06-20
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Expires: 1991-02-03
Abstract
Abstract An egg carton having a latching arrangement which includes inwardly projecting lugs on the front panel of the carton cover which extend into corresponding lug receiving recesses on the latching flap attached to the carton tray, said flap having indented vertical channels above the top wall of said lug receiving recesses permitting the lugs to pass within said channels and to slide over the top rim of the lug receiving recesses into locking position with said recesses, said front panel also having indented vertical channels above each lug for receiving the lug of another carton in open nesting relationship.
Inventors
- 👤 Richard Joseph Venuti
- 👤 Jerold Julius Golner
- 👤 Anthony Salvatore Amato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:31
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/30; B65D85/32; B65D85/324
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
217 words
A carton having a tray section, including upwardly disposed front, back and side walls, a cover section including a top and depending outwardly inclined front, rear and side walls, and a locking flap, the cover rear wall hinged to the tray rear wall, the locking flap hinged to the front wall to swing into and out of an inwardly and upwardly disposed operative position in which it latches with the rear face of the front cover wall when the top is in its carton closing position said carton, in the closed condition, characterized by the locking flap and front cover having cooperating locking areas, a vertical channel in the front cover above said locking areas, said vertical channel extending downwardly from the cover top, an inwardly directed lug below said channel on said cover front, said vertical channel dimensioned to nest a lug identical to said inwardly directed lug having a bottom wall extending outwardly of the carton cover and tray, said vertical channel and lug connected by a hollow outwardly directed generally ''''V'''' shaped ridge, said locking flap having a hollow recess adjacent the bottom thereof for receiving said lug, and an upper ridge mating with the hollow side of the front ''''V'''' shaped ridge and a depressed area thereabove mating with the cover front channel.
Claim 2
Dependent Claim
217 words
A carton having a tray section, including upwardly disposed front, back and side walls, a cover section including a top and depending outwardly inclined front, rear and side walls, and a locking flap, the cover rear wall hinged to the tray rear wall, the locking flap hinged to the front wall to swing into and out of an inwardly and upwardly disposed operative position in which it latches with the rear face of the front cover wall when the top is in its carton closing position said carton, in the closed condition, characterized by the locking flap and front cover having cooperating locking areas, a vertical channel in the front cover above said locking areas, said vertical channel extending downwardly from the cover top, an inwardly directed lug below said channel on said cover front, said vertical channel dimensioned to nest a lug identical to said inwardly directed lug having a bottom wall extending outwardly of the carton cover and tray, said vertical channel and lug connected by a hollow outwardly directed generally ''''V'''' shaped ridge, said locking flap having a hollow recess adjacent the bottom thereof for receiving said lug, and an upper ridge mating with the hollow side of the front ''''V'''' shaped ridge and a depressed area thereabove mating with the cover front channel.
Claim 3
Dependent Claim
70 words
A carton of claim 1 wherein the tray has a platform thereabout inwardly of its upper edges and the bottom wall of the locking flap lug receiving recess is normally out of contact with said platform, the cover lug and upper ridge of the recess dimensions displacing said flap rearwardly and downwardly to make abutting contact with said platform when said lug slides over said ridge in opening said carton.
Claim 4
Dependent Claim
185 words
A carton having a tray section including front, rear and side walls and a plurality of article receiving pockets, a cover including a top and depending front, side and rear walls, with at least the front cover wall being outwardly inclined, and a locking flap, the top rear wall being hinged to the tray rear wall, the locking flap hinged to the tray front wall to swing into and out of an inwardly and upwardly disposed operative position in which it latches with the rear face of the front cover wall when the top is in its carton closing position, said carton characterized by the front cover wall having an inwardly disposed hollow locking lug adjacent the bottom end thereof and an indented vertical channel commencing adjacent the top of the lug and extending upwardly over the remaining portion of the front cover wall, said flap in the operative position having a hollow inwardly extending recess to receive the cover front lug and a channel thereabove which is wider than said front cover channel to guide said lug in the plane of said flap recess.
Claim 5
Dependent Claim
185 words
A carton having a tray section including front, rear and side walls and a plurality of article receiving pockets, a cover including a top and depending front, side and rear walls, with at least the front cover wall being outwardly inclined, and a locking flap, the top rear wall being hinged to the tray rear wall, the locking flap hinged to the tray front wall to swing into and out of an inwardly and upwardly disposed operative position in which it latches with the rear face of the front cover wall when the top is in its carton closing position, said carton characterized by the front cover wall having an inwardly disposed hollow locking lug adjacent the bottom end thereof and an indented vertical channel commencing adjacent the top of the lug and extending upwardly over the remaining portion of the front cover wall, said flap in the operative position having a hollow inwardly extending recess to receive the cover front lug and a channel thereabove which is wider than said front cover channel to guide said lug in the plane of said flap recess.
Claim 6
Dependent Claim
57 words
A carton of claim 3 wherein the locking flap hinge has an outwardly directed longitudinal depression, the top edge of said depression being above the tops of the cell walls adjacent thereto, said edge acting as an abutment in cooperation with said cell walls to limit the inward angle of said flap when in the operative position.
Claim 7
Dependent Claim
189 words
A plurality of open empty cartons in nesting relationship to each other, each of said cartons having: a base section including front, rear and side walls and a plurality of article receiving pockets; a cover including a top and depending outwardly inclined front, side and rear walls and a locking flap; the top rear wall being hinged to the base rear wall; the locking flap hinged to the base front wall to swing into and out of an inwardly and upwardly disposed operative position in which it latches with the rear face of the front cover wall when the top is in its carton closing position, said front cover wall having at least one inwardly disposed locking lug adjacent to the bottom thereof and an indented vertical channel thereabove, said flap having, in the operative position, an inwardly extending recess adjacent the bottom thereof to receive the cover front lug and a channel thereabove for close juxtaposed relationship, said cartons being in the open position nested with identical parts above each other, said front cover lug Fitting in the front cover wall channel of the carton immediately above it.
Claim 8
Dependent Claim
189 words
A plurality of open empty cartons in nesting relationship to each other, each of said cartons having: a base section including front, rear and side walls and a plurality of article receiving pockets; a cover including a top and depending outwardly inclined front, side and rear walls and a locking flap; the top rear wall being hinged to the base rear wall; the locking flap hinged to the base front wall to swing into and out of an inwardly and upwardly disposed operative position in which it latches with the rear face of the front cover wall when the top is in its carton closing position, said front cover wall having at least one inwardly disposed locking lug adjacent to the bottom thereof and an indented vertical channel thereabove, said flap having, in the operative position, an inwardly extending recess adjacent the bottom thereof to receive the cover front lug and a channel thereabove for close juxtaposed relationship, said cartons being in the open position nested with identical parts above each other, said front cover lug Fitting in the front cover wall channel of the carton immediately above it.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |