Patent US2422900A successfully refreshed from Google Patents.
US2422900A
Expired / Lapsed
US
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Firing mechanism
Assignee: Individual
•
Filing: 1945-07-04
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Granted: 1947-06-24
•
Expires: 1965-07-04
Abstract
No abstract record available.
Inventors
- 👤 Hubalek Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:33
CPC Classifications
F; F41; F41A; F41A19/00; F41A19/06; F41A19/25; F41A19/27; F41A19/29; F41A19/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-23 | 1950-12-23 | 1951-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-23 | 1954-12-23 | 1955-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-23 | 1958-12-23 | 1959-06-24 | $7700.00 | Window Closed / Lapsed |