US3526288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrostatic transmission control system
Assignee: Caterpillar Inc
•
Filing: 1968-08-02
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Granted: 1970-09-01
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Expires: 1988-08-02
Abstract
No abstract record available.
Inventors
- 👤 John R Cryder
- 👤 Willard J Haak
- 👤 John L Hufeld
- 👤 Lionel L Kinney
- 👤 Kenneth R Lohbauer
- 👤 Howard A Marsden
- 👤 Ralph W Matthews
- 👤 William B Norick
- 👤 Glen E Stewart
- 👤 Rollin P Vanzandt
- 👤 Frank H Winters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:25
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/46; F16H61/42; F16H61/433; F16H61/423
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3065700A
Cited
US3161245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |