US3144973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1962-04-02
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Granted: 1964-08-18
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Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 Leo A Heintzelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:42
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/30; B65D85/32; B65D85/324
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A MOLDED PULP FIBER EGG CARTON COMPRISING A POCKETED BODY SECTION FOR HOLDING A PLURALITY OF EGGS, AND AN OVERLYING TRAY-LIKE COVER SECTION, FLANGES FORMED ON EACH OF SAID SECTIONS ADJACENT THE EDGES THEREOF, SAID FLANGES BEING INTERCONNECTED ALONG THE REAR EDGES OF SAID SECTIONS FORMING A HINGE THEREBETWEEN, AN INNER FLAP MEMBER HINGED AT ITS LOWER PORTION TO THE FRONT EDGE OF SAID BODY SECTION AND PROJECTING UPWARDLY THEREFROM IN FACE-TO-FACE RELATIONSHIP WITH A FRONT WALL OF SAID COVER SECTION WHEN THE COVER IS CLOSED OVER SAID BODY SECTION, SAID FRONT WALL HAVING AN OPENING THEREIN AND HAVING A CONTIGUOUSLY FORMED UPSTANDING LOCKING TAB PROJECTING
Claim 2
Dependent Claim
106 words
A MOLDED PULP FIBER EGG CARTON COMPRISING A POCKETED BODY SECTION FOR HOLDING A PLURALITY OF EGGS, AND AN OVERLYING TRAY-LIKE COVER SECTION, FLANGES FORMED ON EACH OF SAID SECTIONS ADJACENT THE EDGES THEREOF, SAID FLANGES BEING INTERCONNECTED ALONG THE REAR EDGES OF SAID SECTIONS FORMING A HINGE THEREBETWEEN, AN INNER FLAP MEMBER HINGED AT ITS LOWER PORTION TO THE FRONT EDGE OF SAID BODY SECTION AND PROJECTING UPWARDLY THEREFROM IN FACE-TO-FACE RELATIONSHIP WITH A FRONT WALL OF SAID COVER SECTION WHEN THE COVER IS CLOSED OVER SAID BODY SECTION, SAID FRONT WALL HAVING AN OPENING THEREIN AND HAVING A CONTIGUOUSLY FORMED UPSTANDING LOCKING TAB PROJECTING
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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |