US2770904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grenade launching device for a firearm having a muzzle brake
Assignee: Brevets Aero Mecaniques SA
•
Filing: 1951-10-22
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Granted: 1956-11-20
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Expires: 1971-10-22
Abstract
No abstract record available.
Inventors
- 👤 Weiss Willi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:11
CPC Classifications
G; G04; G04F; G04F5/00; G04F5/04; G04F5/06; G04F5/063; C; C07; C07C; C07C209/00; C07C209/44; C07C209/48; F; F41; F41A; F41A21/00; F41A21/32; F41A21/36; F41C; F41C27/00; F41C27/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US985308A
Cited
GB109509A
Cited
US2094305A
Cited
US1900790A
Cited
US2339285A
Cited
US2432539A
Cited
US2564684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |