US2680491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic power steering for vehicles with swingable axles
Assignee: Caterpillar Global Mining LLC
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Filing: 1950-09-28
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Granted: 1954-06-08
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Expires: 1970-09-28
Abstract
No abstract record available.
Inventors
- 👤 Trevor O Davidson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:58
CPC Classifications
B; B62; B62D; B62D7/00; B62D7/02; B62D7/04; B62D12/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19623
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |