Patent US2494466A successfully refreshed from Google Patents.
US2494466A
Expired / Lapsed
US
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Variable speed power transmission
Assignee: Twin Disc Inc
•
Filing: 1948-07-15
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Granted: 1950-01-10
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Expires: 1968-07-15
Abstract
No abstract record available.
Inventors
- 👤 Lloyd J Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:01
CPC Classifications
F; F16; F16D; F16D67/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1203265A
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US2196585A
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US2135246A
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US2153997A
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US2284934A
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US2326570A
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US2407289A
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US2329733A
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US2371371A
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US2448249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |