US3159303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tear-open sealed containers
Assignee: Acme Plate and Mat Co
•
Filing: 1961-08-04
•
Granted: 1964-12-01
•
Expires: 1981-08-04
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Betner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:49
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/401
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A SEALED CONTAINER WHICH CAN BE OPENED WITHOUT RECOURSE TO A KNIFE OR OTHER TOOL COMPRISING A CONTAINER HAVING AN OPEN END BOUNDED BY A LIP, AND A LID EXTENDING OVER AND PERIPHERALLY SEALED TO SAID LIP OF THE CONTAINER BODY, SAID LID CONSISTING OF TWO COEXTENSIVE LAYERS OF SUBSTANTIALLY DIFFERENT STRENGTH AND HAVING THEIR ADJACENT FACES BONDED TOGETHER THROUGHOUT THE AREAS THEREOF, THE INNER AND WEAKER OF SAID LAYERS BEING IMPERFORATE AND SEALED THROUGHOUT ITS MARGINAL AREA TO SAID LIP TO PROVIDE HERMATIC SEALING OF THE CONTAINER BY SAID LID, THE OUTER AND STRONGER OF SAID LAYERS HAVING A TAB EXTENDING FROM A TEAR-OUT SECTION DEFINED BY A TEAR-LINE, THE BOND BETWEEN SAID LAYERS (A) MAINTAINING THE SATRONGER OUTER LAYER IN POSI-
Claim 2
Dependent Claim
123 words
A SEALED CONTAINER WHICH CAN BE OPENED WITHOUT RECOURSE TO A KNIFE OR OTHER TOOL COMPRISING A CONTAINER HAVING AN OPEN END BOUNDED BY A LIP, AND A LID EXTENDING OVER AND PERIPHERALLY SEALED TO SAID LIP OF THE CONTAINER BODY, SAID LID CONSISTING OF TWO COEXTENSIVE LAYERS OF SUBSTANTIALLY DIFFERENT STRENGTH AND HAVING THEIR ADJACENT FACES BONDED TOGETHER THROUGHOUT THE AREAS THEREOF, THE INNER AND WEAKER OF SAID LAYERS BEING IMPERFORATE AND SEALED THROUGHOUT ITS MARGINAL AREA TO SAID LIP TO PROVIDE HERMATIC SEALING OF THE CONTAINER BY SAID LID, THE OUTER AND STRONGER OF SAID LAYERS HAVING A TAB EXTENDING FROM A TEAR-OUT SECTION DEFINED BY A TEAR-LINE, THE BOND BETWEEN SAID LAYERS (A) MAINTAINING THE SATRONGER OUTER LAYER IN POSI-
References Cited (Backward Citations)
US449136A
Cited
US2038545A
Cited
US2106738A
Cited
US2146226A
Cited
US2393347A
Cited
US2530413A
Cited
US2640623A
Cited
US2870935A
Cited
US2898003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |