Patent US3487851A successfully refreshed from Google Patents.
US3487851A
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US
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Transmission hydraulic control
Assignee: Caterpillar Inc
•
Filing: 1968-02-07
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Granted: 1970-01-06
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Expires: 1988-02-07
Abstract
No abstract record available.
Inventors
- 👤 Kenneth F Golan
- 👤 David S Ohaver
- 👤 Shairyl I Pearce
- 👤 Gerald D Rohweder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:09
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; F16H61/00; F16H61/02; F16H61/0262; F16H2716/00; F16H2716/04; F16H2716/06; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1579940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |