Patent US2770894A successfully refreshed from Google Patents.
US2770894A
Expired / Lapsed
US
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Snow remover of the rotary type
Assignee: WISCONSIN MARINE Co
•
Filing: 1952-07-03
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Granted: 1956-11-20
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Expires: 1972-07-03
Abstract
No abstract record available.
Inventors
- 👤 Robert O Gettelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:45
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US501028A
Cited
US1817873A
Cited
US1807489A
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US1870591A
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US1834176A
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US2143699A
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US2154564A
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US2168866A
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CH207053A
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CH217698A
Cited
US2536166A
Cited
US2595976A
Cited
US2545735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |