US3615034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frangible container
Assignee: Individual
•
Filing: 1968-12-12
•
Granted: 1971-10-26
•
Expires: 1988-12-12
Abstract
Abstract AN APPARATUS FOR MOLDING HOLLOW CONTAINERS WHICH MAY BE EASILY OPENED AND THE ARTICLE ITSELF ARE PROVIDED THE APPARATUS PRODUCES A THIN-WALLED HOLLOW CONTAINER HAVING A NARROW STRIP-LIKE PORTION OF ITS WALL REDUCED IN THICKNESS TO SUCH A DEGREE THAT THE CONTAINER MAY BE EASILY OPENED. IN ONE FORM, THE CONTAINER IS SEVERED BY TWISTING. IN ANOTHER FORM, THE WALL IS SHAPED WITH A STRIP-LIKE PORTION WHICH IS SEVERABLE BY PULLING ON SAME. A CUTTING MEANS MAY ALSO BE APPLIED TO EFFECT OPENING. AUXILIARY SUPPORTING MEANS MAY ALSO BE PROVIDED TO NORMALLY PREVENT SEVERANCE OF THE WEAKENED PORTION OF THE CONTAINER.
Inventors
- 👤 Jerome H Lemelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:55
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/22; B65D1/26; B65D17/00; B65D17/28; B65D17/402; B65D17/42; B65D17/46; B65D17/462
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |