US3307765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic egg cartons
Assignee: Hercules LLC
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Filing: 1966-04-08
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Granted: 1967-03-07
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Expires: 1986-04-08
Abstract
No abstract record available.
Inventors
- 👤 David C Trimble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:03
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/30; B65D85/32; B65D85/324
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
AN EGG CARTON FORMED OF FOAMED PLASTIC COMPRISING A TRAY-LIKE BASE MEMBER HAVING A TOP PLANE AND A BOTTOM PLANE THAT IS PARALLEL TO THE TOP PLANE AND SPACED THEREFROM A DISTANCE SUBSTANTIALLY EQUAL TO THE DIMENSION FROM THE POINT TO THE TRANSVERSE PLANE OF MAXIMUM DIAMETER OF THE LARGEST EGG ADAPTED TO BE RECEIVED IN THE CARTON, SAID BASE MEMBER HAVING SIDE WALLS AND END WALLS EXTENDING BETWEEN THE PLANES, LONGITUDINAL AND TRANSVERSE PARTITIONS DIVIDING THE BASE MEMBER INTO ROWS OF EGG-RECEIVING POCKETS, AND A BOTTOM WALL FOR EACH OF SAID POCKETS DISPOSED IN THE BOTTOM PLANE, SAID PARTITIONS HAVING SIDE WALLS WHICH TOGETHER WITH THE SIDE WALLS AND END WALLS OF SAID BASE MEMBER ARE DISPOSED AT ANGLES OF NOT GREATER THAN APPROXIMATELY SEVENTY-FIVE DEGREES TO THE BOTTOM PLANE, AND A U-SHAPED COVER MEMBER HAVING A HINGE CONNECTING THE SAME TO THE SIDE WALL OF THE BASE MEMBER ALONG A LINE IN THE TOP PLANE FOR SWINGING BETWEEN THE CLOSED POSITION OVERLYING THE BASE MEMBER AND AN OPEN POSITION THAT IS SUBSTANTIALLY ONE HUNDRED AND NINETY-FIVE DEGREES FROM THE CLOSED POSITION, SAID COVER MEMBER HAVING A
Claim 2
Dependent Claim
188 words
AN EGG CARTON FORMED OF FOAMED PLASTIC COMPRISING A TRAY-LIKE BASE MEMBER HAVING A TOP PLANE AND A BOTTOM PLANE THAT IS PARALLEL TO THE TOP PLANE AND SPACED THEREFROM A DISTANCE SUBSTANTIALLY EQUAL TO THE DIMENSION FROM THE POINT TO THE TRANSVERSE PLANE OF MAXIMUM DIAMETER OF THE LARGEST EGG ADAPTED TO BE RECEIVED IN THE CARTON, SAID BASE MEMBER HAVING SIDE WALLS AND END WALLS EXTENDING BETWEEN THE PLANES, LONGITUDINAL AND TRANSVERSE PARTITIONS DIVIDING THE BASE MEMBER INTO ROWS OF EGG-RECEIVING POCKETS, AND A BOTTOM WALL FOR EACH OF SAID POCKETS DISPOSED IN THE BOTTOM PLANE, SAID PARTITIONS HAVING SIDE WALLS WHICH TOGETHER WITH THE SIDE WALLS AND END WALLS OF SAID BASE MEMBER ARE DISPOSED AT ANGLES OF NOT GREATER THAN APPROXIMATELY SEVENTY-FIVE DEGREES TO THE BOTTOM PLANE, AND A U-SHAPED COVER MEMBER HAVING A HINGE CONNECTING THE SAME TO THE SIDE WALL OF THE BASE MEMBER ALONG A LINE IN THE TOP PLANE FOR SWINGING BETWEEN THE CLOSED POSITION OVERLYING THE BASE MEMBER AND AN OPEN POSITION THAT IS SUBSTANTIALLY ONE HUNDRED AND NINETY-FIVE DEGREES FROM THE CLOSED POSITION, SAID COVER MEMBER HAVING A
References Cited (Backward Citations)
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US2778558A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |