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Patent US2572176A successfully refreshed from Google Patents.
US2572176A
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US
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Air gun automatic safety device
Assignee: Individual
•
Filing: 1945-04-18
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Granted: 1951-10-23
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Expires: 1965-04-18
Abstract
No abstract record available.
Inventors
- 👤 Mihalyi Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:10
CPC Classifications
F; F41; F41B; F41B11/00; F41B11/50; F41B11/55; F41A; F41A17/00; F41A17/46; F41A17/48; F41A17/50; F41B11/60; F41B11/64; F41B11/642; F41B11/646; F41B11/647; F41B11/648
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
GB191101405A
Cited
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Cited
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Cited
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Cited
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Cited
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Cited
GB347882A
Cited
US2196732A
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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) | 1954-10-22 | 1955-04-23 | 1955-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-22 | 1959-04-23 | 1959-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-22 | 1963-04-23 | 1963-10-23 | $7700.00 | Window Closed / Lapsed |