US3554042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous regulatable drive
Assignee: Individual
•
Filing: 1969-06-20
•
Granted: 1971-01-12
•
Expires: 1989-06-20
Abstract
Abstract A CONTINUOUSLY VARIABLE DRIVE HAVING A DRIVING SHAFT AND A DRIVEN SHAFT IN ALIGNMENT RELATIVE TO EACH OTHER. A PLURALITY OF SHIFTING MECHANISMS ARE PROVIDED WITH MEANS CONNECTED TO THE SHAFTS IN ORDER TO VARY THE DRIVE RATIO BETWEEN THE TWO SHAFTS.
Inventors
- 👤 Rudolf Pfister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:27
CPC Classifications
F; F16; F16H; F16H29/00; F16H29/02; F16H29/08; F02; F02B; F02B3/00; F02B3/06; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/1836; Y10T74/18408
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |