Patent US2461574A successfully refreshed from Google Patents.
US2461574A
Expired / Lapsed
US
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Firing mechanism
Assignee: Individual
•
Filing: 1944-01-31
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Granted: 1949-02-15
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Expires: 1964-01-31
Abstract
No abstract record available.
Inventors
- 👤 Leslie A Skinner
- 👤 Julius A Folse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:09
CPC Classifications
F; F41; F41A; F41A19/00; F41A19/06; F41A19/42; F41A19/52; F41C; F41C7/00; F41C7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US287229A
Cited
US645292A
Cited
US693106A
Cited
US853715A
Cited
US886929A
Cited
US1073452A
Cited
US2251174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-15 | 1952-08-16 | 1953-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-15 | 1956-08-16 | 1957-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-15 | 1960-08-16 | 1961-02-15 | $7700.00 | Window Closed / Lapsed |