Patent US3069976A successfully refreshed from Google Patents.
US3069976A
Expired / Lapsed
US
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Gas-operated semiautomatic pistol
Assignee: Individual
•
Filing: 1957-12-06
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Granted: 1962-12-25
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Expires: 1977-12-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick F Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:39
CPC Classifications
F; F41; F41A; F41A3/00; F41A3/12; F41A3/36; F41A3/38; F41A3/40; F41A17/00; F41A17/30; F41A17/32; F41A17/34; F41A17/38; F41A19/00; F41A19/06; F41A19/42; F41A19/43; F41A19/47; F41A19/48; F41A5/00; F41A5/18; F41A9/00; F41A9/61; F41A9/64; F41A9/65; F41A9/66; F41A9/67
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) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |