US2950634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power train
Assignee: LeTourneau Westinghouse Co
•
Filing: 1956-01-24
•
Granted: 1960-08-30
•
Expires: 1976-01-24
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Clark
- 👤 Ernst W Spannhake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:24
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/04; B60K17/043; B60K17/046; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/10; B62D11/14; B62D11/16; B62D21/00; B62D21/16; F; F16; F16H; F16H37/00; F16H37/02; F16H37/06; F16H2700/00; F16H2700/02; F16H2702/00; F16H2702/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19628; Y10T74/19633
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1257462A
Cited
US1641656A
Cited
US2357561A
Cited
US2467226A
Cited
US2488660A
Cited
US2529330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |