US2370131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change-speed transmission for aircraft
Assignee: New Products Corp
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Filing: 1942-07-04
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Granted: 1945-02-27
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Expires: 1962-07-04
Abstract
No abstract record available.
Inventors
- 👤 Oscar H Banker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:48
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0293; F16H2710/00; F16H2710/04; F16H2710/06; F16H2710/08; F16H2718/00; F16H2718/08; F16H2718/10; F16H2718/12; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/1926; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19442; Y10T74/19447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-02-27 | 1948-08-28 | 1949-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-02-27 | 1952-08-28 | 1953-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-02-27 | 1956-08-28 | 1957-02-27 | $7700.00 | Window Closed / Lapsed |