US3158491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food container
Assignee: Primerica Inc
•
Filing: 1963-02-26
•
Granted: 1964-11-24
•
Expires: 1983-02-26
Abstract
No abstract record available.
Inventors
- 👤 Robert A Farrell
- 👤 George V Skowronski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:56
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/10; B65D77/20; B65D77/2024; B65D77/2028; B65D77/2032; B65D77/2044; B65D77/2048; B65D77/2056; B65D2577/00; B65D2577/10; B65D2577/20; B65D2577/2041; B65D2577/205; B65D2577/2075; B65D2577/2091; Y; Y10; Y10S; Y10S229/00; Y10S229/924; Y10S229/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A TAMPERPROOF SEALED PACKAGE COMPRISING A LEAKPROOF RECEPTACLE PORTION HAVING A BOTTOM PANEL AND SIDE WALLS CONNECTED TO SAID BOTTOM PANEL, AND A CONTINUOUS OUTWARDLY EXTENDING FLANGE CONNECTED TO THE UPPER EDGES OF SAID SIDE WALLS; A PRODUCT CONTAINED IN SAID RECEPTACLE PORTION; AND A COVER SUBSTANTIALLY COEXTENSIVE WITH THE OUTER PERIMETER OF SAID FLANGE CLOSING SAID RECEPTACLE PORTION, SAID COVER COMPRISING A FRANGIBLE MATERIAL SEALED TO SAID FLANGE BY A LAYER OF LIQUID IMPERMEABLE HEAT-ACTIVATED COATING EXTENDING OVER SUBSTANTIALLY THE ENTIRE INNER SURFACE OF SAID MATERIAL, SAID FRANGIBLE MATERIAL HAVING A TEAR STRIP WITH A PULL TAB DEFINED BY A PAIR OF SPACED SUBSTANTIALLY PARALLEL LINES OF WEAKNESS POSITIONED ADJACENT AND INWARDLY OF THE FLANGE OF THE RECEPTACLE PORTION.
Claim 2
Dependent Claim
120 words
A TAMPERPROOF SEALED PACKAGE COMPRISING A LEAKPROOF RECEPTACLE PORTION HAVING A BOTTOM PANEL AND SIDE WALLS CONNECTED TO SAID BOTTOM PANEL, AND A CONTINUOUS OUTWARDLY EXTENDING FLANGE CONNECTED TO THE UPPER EDGES OF SAID SIDE WALLS; A PRODUCT CONTAINED IN SAID RECEPTACLE PORTION; AND A COVER SUBSTANTIALLY COEXTENSIVE WITH THE OUTER PERIMETER OF SAID FLANGE CLOSING SAID RECEPTACLE PORTION, SAID COVER COMPRISING A FRANGIBLE MATERIAL SEALED TO SAID FLANGE BY A LAYER OF LIQUID IMPERMEABLE HEAT-ACTIVATED COATING EXTENDING OVER SUBSTANTIALLY THE ENTIRE INNER SURFACE OF SAID MATERIAL, SAID FRANGIBLE MATERIAL HAVING A TEAR STRIP WITH A PULL TAB DEFINED BY A PAIR OF SPACED SUBSTANTIALLY PARALLEL LINES OF WEAKNESS POSITIONED ADJACENT AND INWARDLY OF THE FLANGE OF THE RECEPTACLE PORTION.
References Cited (Backward Citations)
US1850493A
Cited
US2554160A
Cited
US2677318A
Cited
US2834686A
Cited
US2990948A
Cited
US3069273A
Cited
US2996236A
Cited
US3054680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |