Patent US2495829A successfully refreshed from Google Patents.
US2495829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air gun
Assignee: Individual
•
Filing: 1945-07-09
•
Granted: 1950-01-31
•
Expires: 1965-07-09
Abstract
No abstract record available.
Inventors
- 👤 Vincent Perry Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:07
CPC Classifications
F; F41; F41B; F41B11/00; F41B11/50; F41B11/55; F41B11/51; F41B11/70; F41B11/72; F41B11/723
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US627320A
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US740067A
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US984072A
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US1026303A
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US1078487A
Cited
US1503913A
Cited
US1512993A
Cited
US1825489A
Cited
US1862697A
Cited
US2125600A
Cited
GB476005A
Cited
US2283300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |