US2121157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preselector device for controlling sliding pinion gear boxes
Assignee: Bendix Aviation Corp
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Filing: 1935-03-07
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Granted: 1938-06-21
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Expires: 1955-03-07
Abstract
No abstract record available.
Inventors
- 👤 Lempereur Maurice
- 👤 Vincent Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:09
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/40; F16H63/46; B; B60; B60W; B60W10/00; B60W10/02; B60W10/10; B60W30/00; B60W30/18; B60W30/1819; B60K; B60K2702/00; B60K2702/08; B60K2702/18; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/19247
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) | 1941-06-20 | 1941-12-20 | 1942-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-06-20 | 1945-12-20 | 1946-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-06-20 | 1949-12-20 | 1950-06-21 | $7700.00 | Window Closed / Lapsed |