Patent US2645816A successfully refreshed from Google Patents.
US2645816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of mechanical bindings
Assignee: Individual
•
Filing: 1950-03-17
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Granted: 1953-07-21
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Expires: 1970-03-17
Abstract
No abstract record available.
Inventors
- 👤 Clarence D Trussell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:41
CPC Classifications
B; B65; B65D; B65D63/00; B26; B26D; B26D1/00; B42; B42B; B42B5/00; B42B5/08; B42B5/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49794; Y10T29/49826; Y10T29/49908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |