Patent DE2019550C2 successfully refreshed from Google Patents.
US2747434A
Expired / Lapsed
US
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Infinitely variable speed transmission
Assignee: Rexnord Industries LLC
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Filing: 1951-05-14
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Granted: 1956-05-29
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Expires: 1971-05-14
Abstract
No abstract record available.
Inventors
- 👤 Alfred G Bade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:22
CPC Classifications
F; F16; F16H; F16H15/00; F16H15/48; F16H15/50; F16H15/52; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H37/084; F16H37/0853
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1736932A
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US1797953A
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US2029042A
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US2079681A
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US2100630A
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US2209497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |