US3477225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrostatic transmission control system
Assignee: Caterpillar Inc
•
Filing: 1967-06-14
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Granted: 1969-11-11
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Expires: 1987-06-14
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
2026-10-27 05:37
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/46; F16H61/465; B; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/10; B62D11/14; B62D11/18; B62D11/183; F16H59/00; F16H59/14; F16H59/18; F16H59/22; F16H61/42; F16H61/423; F16H61/433; F16H61/472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2562615A
Cited
US2659425A
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US3302487A
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US3230699A
Cited
US3302389A
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US3284999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |