Patent US3393636A successfully refreshed from Google Patents.
US3393636A
Expired / Lapsed
US
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Pocket check writer and check protector
Assignee: JOHN E TOBIN
•
Filing: 1966-03-23
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Granted: 1968-07-23
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Expires: 1986-03-23
Abstract
No abstract record available.
Inventors
- 👤 John E Tobin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:23
CPC Classifications
B; B42; B42D; B42D5/00; B42D5/02; B42D5/021; B42D5/022; B41; B41K; B41K1/00; B41K1/08; B42D15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US191254A
Cited
US1159617A
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US1465388A
Cited
US1634105A
Cited
US1709106A
Cited
US1737136A
Cited
US1842907A
Cited
US1825153A
Cited
US2149052A
Cited
US2689520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |