US2447205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shotgun muzzle device
Assignee: Individual
•
Filing: 1945-05-15
•
Granted: 1948-08-17
•
Expires: 1965-05-15
Abstract
No abstract record available.
Inventors
- 👤 Powell Edward Baden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:15
CPC Classifications
F; F41; F41A; F41A21/00; F41A21/32; F41A21/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1080154A
Cited
US1860276A
Cited
US1901138A
Cited
US1939700A
Cited
US2112831A
Cited
US2348114A
Cited
US2372315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-17 | 1952-02-16 | 1952-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-17 | 1956-02-16 | 1956-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-17 | 1960-02-16 | 1960-08-17 | $7700.00 | Window Closed / Lapsed |