Patent US2742822A successfully refreshed from Google Patents.
US2742822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Firing mechanism for automatic and semi-automatic firearms
Assignee: Individual
•
Filing: 1950-05-26
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Granted: 1956-04-24
•
Expires: 1970-05-26
Abstract
No abstract record available.
Inventors
- 👤 Earle M Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:54
CPC Classifications
F; F41; F41A; F41A19/00; F41A19/06; F41A19/42; F41A19/43; F41A19/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1067054A
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US1743472A
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US2098727A
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US2308598A
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US2479419A
Cited
US2522628A
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US2539447A
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US2448810A
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US2464418A
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US2597089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |