Patent US2469653A successfully refreshed from Google Patents.
US2469653A
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US
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Stepless variable change-speed gear with roller bodies
Assignee: Individual
•
Filing: 1946-01-14
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Granted: 1949-05-10
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Expires: 1966-01-14
Abstract
No abstract record available.
Inventors
- 👤 Kopp Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:57
CPC Classifications
F; F16; F16H; F16H15/00; F16H15/02; F16H15/04; F16H15/06; F16H15/26; F16H15/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE527346C
Cited
US2164489A
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US2164490A
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US2252630A
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US2318471A
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US2389589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |