Patent US4828710A successfully refreshed from Google Patents.
US1982144A
Expired / Lapsed
US
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Closure device for metallic container opening
Assignee: American Flange and Manufacturing Co Inc
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Filing: 1931-11-07
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Granted: 1934-11-27
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Expires: 1951-11-07
Abstract
No abstract record available.
Inventors
- 👤 John W Shera
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:00
CPC Classifications
B; B65; B65D; B65D39/00; B65D39/08; B65D39/082; B65D39/084; B65D41/00; B65D41/32; B65D41/40; B65D41/44
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) | 1937-11-26 | 1938-05-28 | 1938-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-11-26 | 1942-05-28 | 1942-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-11-26 | 1946-05-28 | 1946-11-27 | $7700.00 | Window Closed / Lapsed |