US2826987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pocket check writer
Assignee: Individual
•
Filing: 1956-05-02
•
Granted: 1958-03-18
•
Expires: 1976-05-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Eckhoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:08
CPC Classifications
B; B41; B41K; B41K1/00; B41K1/08; B41K1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2328861A
Cited
US1465388A
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US1634105A
Cited
US1558869A
Cited
US1627619A
Cited
US1574830A
Cited
US1737136A
Cited
US2534364A
Cited
US2682217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |