Patent US2710042A successfully refreshed from Google Patents.
Patent US2346820A successfully refreshed from Google Patents.
US2346820A
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Power gear shifting mechanism
Assignee: Bendix Westinghouse Automotive Air Brake Co
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Filing: 1933-11-08
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Granted: 1944-04-18
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Expires: 1953-11-08
Abstract
No abstract record available.
Inventors
- 👤 Roger H Casler
- 👤 Vorech Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:08
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/26; F16H61/28; F16H61/30; F15; F15B; F15B13/00; F15B13/02; F15B13/06; F16H2061/304; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2554; Y10T137/8593; Y10T137/87048; Y10T137/87056; Y10T137/87064; Y10T137/87169; Y10T137/87217; Y10T137/87225; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19293; Y10T74/19298; Y10T74/19326; Y10T74/20; Y10T74/20012
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) | 1947-04-18 | 1947-10-18 | 1948-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-04-18 | 1951-10-18 | 1952-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-04-18 | 1955-10-18 | 1956-04-18 | $7700.00 | Window Closed / Lapsed |