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US2563720A
Expired / Lapsed
US
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Magazine-operated safety for automatic firearms
Assignee: Individual
•
Filing: 1947-08-26
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Granted: 1951-08-07
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Expires: 1967-08-26
Abstract
No abstract record available.
Inventors
- 👤 Guisasola Bonifacio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:04
CPC Classifications
F; F41; F41A; F41A17/00; F41A17/34; F41A17/36; F41A17/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |