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US2763465A
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US
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Air operated hoist
Assignee: TOSI
•
Filing: 1953-07-17
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Granted: 1956-09-18
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Expires: 1973-07-17
Abstract
No abstract record available.
Inventors
- 👤 Tosi Fred
- 👤 Mcdougall George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:29
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24; B66F3/247
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1214378A
Cited
US1868935A
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US2314589A
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US2412414A
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US2605998A
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US2669422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |