US2759374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crawler transmission
Assignee: Westinghouse Air Brake Co
•
Filing: 1954-02-01
•
Granted: 1956-08-21
•
Expires: 1974-02-01
Abstract
No abstract record available.
Inventors
- 👤 Bowman Spencer
- 👤 Jr Ferdinand A Krauss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:56
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16H3/663; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19545
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) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |