US2433309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Firing mechanism for signal pistols
Assignee: Individual
•
Filing: 1944-03-23
•
Granted: 1947-12-23
•
Expires: 1964-03-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Van Karner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:52
CPC Classifications
F; F41; F41A; F41A19/00; F41A19/06; F41A19/42; F41C; F41C3/00; F41C3/02; F41C7/00; F41C7/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US100227A
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FR326260A
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US855227A
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US1070145A
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US1226478A
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US2351268A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-22 | 1951-06-23 | 1951-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-22 | 1955-06-23 | 1955-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-22 | 1959-06-23 | 1959-12-23 | $7700.00 | Window Closed / Lapsed |