Patent US2874504A successfully refreshed from Google Patents.
US2874504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shot gun rib sight
Assignee: Individual
•
Filing: 1956-02-24
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Granted: 1959-02-24
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Expires: 1976-02-24
Abstract
No abstract record available.
Inventors
- 👤 George A Martinek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:29
CPC Classifications
F; F41; F41G; F41G1/00; F41G1/06; F41G1/42; F41G1/425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US805588A
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US1160157A
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US1582063A
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US1496852A
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US1718458A
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US2007437A
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US2385649A
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US2433909A
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US2498329A
Cited
US2498155A
Cited
US2566207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |