Patent US3280861A successfully refreshed from Google Patents.
US2492886A
Expired / Lapsed
US
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Method of and apparatus for forming paper end closures
Assignee: Continental Can Co Inc
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Filing: 1944-06-30
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Granted: 1949-12-27
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Expires: 1964-06-30
Abstract
No abstract record available.
Inventors
- 👤 William F Punte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:51
CPC Classifications
B; B31; B31D; B31D1/00; B31D1/0018; B31B; B31B50/00; B31B50/59; B31B50/592
Claims Analysis
Total Claims: 0
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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) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |