Patent US3202308A successfully refreshed from Google Patents.
US3202308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure liners
Assignee: Individual
•
Filing: 1962-05-28
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Granted: 1965-08-24
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Expires: 1982-05-28
Abstract
No abstract record available.
Inventors
- 👤 Albert L Botkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:22
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/04; B65D41/0435; B65D41/045
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
123 words
A SCREW CAP ASSEMBLY COMPRISING A RIGID CAP MEMBER ADAPTED TO FIT OVER THE LIP OF A HOLLOW CONTAINER, SAID CAP MEMEBR HAVING A SUBSTANTIALLY FLAT PORTION ADAPTED TO REST ON SAID LIP AND A RAISED PORTION ADAPTED TO RING THE NECK OF SAID CONTAINER, SAID RAISED PORTION HAVING AT LEAST ONE PROJECTION INWARD ADAPTED TO ENGAGE AN OUTWARDLY PROJECTION ON SAID CONTAINER NECK, AT LEAST ONE OF SAID PROJECTIONS BEING BIASED TO PROVIDE TIGHTENING OF SAID CAP ON SAID CONTAINER LIP UPON APPLICATION OF TORQUE, A CAP LINER ADAPTED TO SET AGAINST SAID FLAT PORTION OF SAID CAP SAID CAP LINER HAVING A COMPRESSIBLE BOARD LAYER AND HAVING AN IMPERVIOUS LAYER OF AN ORDERED POLYOLEFIN FILM DIRECTLY ATTACHED TO SAID BOARD LAYER.
References Cited (Backward Citations)
US771669A
Cited
US2051888A
Cited
US2238681A
Cited
US2413453A
Cited
US2615614A
Cited
US2714571A
Cited
US2728475A
Cited
US2851372A
Cited
US2984585A
Cited
US3043716A
Cited
US2956723A
Cited
US3058645A
Cited
US2968415A
Cited
US3061130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |