US2977019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Easy opening can and cover assembly
Assignee: Continental Can Co Inc
•
Filing: 1957-09-19
•
Granted: 1961-03-28
•
Expires: 1977-09-19
Abstract
No abstract record available.
Inventors
- 👤 Henchert John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:05
CPC Classifications
B; B65; B65D; B65D43/00; B65D43/02; B65D43/0202; B65D43/0233; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00092; B65D2543/00259; B65D2543/00277; B65D2543/00342; B65D2543/00398; B65D2543/00416; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00509; B65D2543/00537; B65D2543/00555; B65D2543/00564; B65D2543/00824; B65D2543/00888; B65D2543/00953; B65D2543/00962; B65D2543/00972
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2037923A
Cited
US1985818A
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GB460774A
Cited
US2142743A
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US2186518A
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US2406911A
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US2403030A
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US2671572A
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US2748976A
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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) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |