US3552232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission control
Assignee: Deere and Co
•
Filing: 1966-09-26
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Granted: 1971-01-05
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Expires: 1986-09-26
Abstract
Abstract A CONTROL SYSTEM FOR AN INFINITELY VARIABLE, MULTI-RANGE TRANMISSION PROVIDING AN INFINITELY VARIABLE SPEED WITHIN A FINITE RANGE THROUGH A COMBINED VARIABLE-DIAMETER PULLEY-TYPE DRIVE IN CONJUNCTION WITH A PLANETRY DRIVE WHEREIN THE CONTROL SYSTEM ESTABLISHES THE VARIABLE DRIVE AND CONTROLS THE PLANETRY DRIVE CONNECTIONS BY SELECTIVELY COUPLING THE ELEMENTS OF THE TRANSMISSION TO PROVIDE DIFFERENT SPEED RANGES.
Inventors
- 👤 James Henry Kress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:03
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/66; F16H61/662; F16H2061/6604; F16H2061/6614
Claims Analysis
Total Claims: 0
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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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |