US2453897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety for self-loading firearms
Assignee: Wayne Fueling Systems Sweden AB
•
Filing: 1942-07-28
•
Granted: 1948-11-16
•
Expires: 1962-07-28
Abstract
No abstract record available.
Inventors
- 👤 Eklund Hans Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:24
CPC Classifications
F; F41; F41A; F41A3/00; F41A3/64; F41A11/00; F41A17/00; F41A17/46
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE78449C
Cited
US639421A
Cited
US861939A
Cited
US1082961A
Cited
US1293021A
Cited
US1317633A
Cited
US1433945A
Cited
US1523831A
Cited
US1637235A
Cited
US1586048A
Cited
US1843916A
Cited
FR794043A
Cited
DE653566C
Cited
US2242389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-16 | 1952-05-17 | 1952-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-16 | 1956-05-17 | 1956-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-16 | 1960-05-17 | 1960-11-16 | $7700.00 | Window Closed / Lapsed |