Patent US2590232A successfully refreshed from Google Patents.
US2590232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multispeed transmission and automatic transmission control
Assignee: Curtiss Wright Corp
•
Filing: 1946-10-26
•
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 17:01
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE278327C
Cited
US778548A
Cited
US941426A
Cited
US784352A
Cited
US907711A
Cited
US1199640A
Cited
US1209352A
Cited
US1818910A
Cited
US2086563A
Cited
US2086564A
Cited
US2102781A
Cited
US2352212A
Cited
US2348763A
Cited
US2523726A
Cited
US2528585A
Cited
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 |