US3185261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel driven hydrodynamic retarder system
Assignee: Caterpillar Inc
•
Filing: 1963-10-25
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Granted: 1965-05-25
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Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 John J Campbell
- 👤 Vergil P Hendrickson
- 👤 Alfred W Sieving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:00
CPC Classifications
B; B60; B60T; B60T1/00; B60T1/02; B60T1/08; B60T1/087; F; F16; F16D; F16D33/00; F16D57/00; F16D57/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2543929A
Cited
US2517531A
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US2981380A
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US3122220A
Cited
US3108660A
Cited
US3142361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |