US2725868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air gun
Assignee: DON O SCOTT
•
Filing: 1951-10-31
•
Granted: 1955-12-06
•
Expires: 1971-10-31
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:14
CPC Classifications
F; F41; F41B; F41B11/00; F41B11/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US429499A
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US477322A
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US1171197A
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US2101762A
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US2375607A
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US2566181A
Cited
US2567643A
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US2574408A
Cited
US2505428A
Cited
US2601555A
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US2630108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |