Patent US2645795A successfully refreshed from Google Patents.
US2645795A
Expired / Lapsed
US
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Method of binding books
Assignee: Individual
•
Filing: 1947-04-03
•
Granted: 1953-07-21
•
Expires: 1967-04-03
Abstract
No abstract record available.
Inventors
- 👤 Lloyd E Pitner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:23
CPC Classifications
B; B42; B42C; B42C9/00; B42C9/0056; B42C9/0062; B42C9/0075; Y; Y10; Y10S; Y10S156/00; Y10S156/908; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/101; Y10T156/1011; Y10T156/1089; Y10T156/1092; Y10T156/1097; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1739
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) | 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 |