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US3004440A
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US
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Continuously variable speed transmission
Assignee: Ustav Pro Vyzkum Motorovych Vozidel
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Filing: 1958-10-21
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Granted: 1961-10-17
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Expires: 1978-10-21
Abstract
No abstract record available.
Inventors
- 👤 Pernik Antonin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:07
CPC Classifications
F; F16; F16H; F16H29/00; F16H29/02; B; B62; B62M; B62M11/00; B62M11/04; B62M11/06; B62M25/00; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/151; Y10T74/1518; Y10T74/1519; Y10T74/1521; Y10T74/1523; Y10T74/1526; Y10T74/1542; Y10T74/1547; Y10T74/1558; Y10T74/1587; Y10T74/1589; Y10T74/18; Y10T74/18856; Y10T74/20; Y10T74/20558; Y10T74/20564
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |