US2505972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air operated gun
Assignee: HARRY W DAVIES
•
Filing: 1944-12-01
•
Granted: 1950-05-02
•
Expires: 1964-12-01
Abstract
No abstract record available.
Inventors
- 👤 Archie A Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:13
CPC Classifications
F; F41; F41B; F41B11/00; F41B11/70; F41B11/72; F41B11/723
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US452882A
Cited
US645932A
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FR360259A
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FR444508A
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US1886704A
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US1854605A
Cited
US2006030A
Cited
US2123324A
Cited
US2101198A
Cited
US2251836A
Cited
US2238384A
Cited
US2304320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |