US2444910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muzzle brake for guns
Assignee: Individual
•
Filing: 1945-03-30
•
Granted: 1948-07-13
•
Expires: 1965-03-30
Abstract
No abstract record available.
Inventors
- 👤 George A Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:07
CPC Classifications
F; F41; F41A; F41A21/00; F41A21/32; F41A21/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US827259A
Cited
GB191218491A
Cited
DE305012C
Cited
US1327897A
Cited
US2191484A
Cited
US2206568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-13 | 1952-01-12 | 1952-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-13 | 1956-01-12 | 1956-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-13 | 1960-01-12 | 1960-07-13 | $7700.00 | Window Closed / Lapsed |