US2607148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary trigger mechanism for firearms
Assignee: Individual
•
Filing: 1949-06-30
•
Granted: 1952-08-19
•
Expires: 1969-06-30
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:30
CPC Classifications
F; F41; F41A; F41A19/00; F41A19/06; F41A19/09
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB189715065A
Cited
FR326260A
Cited
US1569856A
Cited
US1837093A
Cited
DE554287C
Cited
US2000858A
Cited
US2225583A
Cited
US2433309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |