Patent US2682876A successfully refreshed from Google Patents.
US2682876A
Expired / Lapsed
US
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Method of preparing cards for card filing systems
Assignee: Individual
•
Filing: 1949-10-05
•
Granted: 1954-07-06
•
Expires: 1969-10-05
Abstract
No abstract record available.
Inventors
- 👤 Ira W Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:59
CPC Classifications
B; B31; B31D; B31D1/00; B31D1/02; B42; B42F; B42F19/00
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) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |