US2590232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multispeed transmission and automatic transmission control
Assignee: Curtiss Wright Corp
•
Filing: 1946-10-26
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Granted: 1952-03-25
•
Expires: 1966-10-26
Abstract
No abstract record available.
Inventors
- 👤 Chilton Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:06
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/68; F16H61/684; F16H61/688; F16H3/00; F16H3/006; F16H61/02; F16H61/0262; F16H61/0265; F16H61/0267; F16H61/0269; F16H63/00; F16H63/02; F16H63/08; F16H63/16; F16H63/18; F16H2306/00; F16H2306/40; F16H2306/44; F16H2306/46; F16H2306/50; F16H2306/52; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/1926; Y10T74/19274; Y10T74/19279
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |