Patent US2503891A successfully refreshed from Google Patents.
US2503891A
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US
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Forward and reverse transmission control system
Assignee: Jaeger Machine Co
•
Filing: 1947-01-07
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Granted: 1950-04-11
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Expires: 1967-01-07
Abstract
No abstract record available.
Inventors
- 👤 William G Van Voorhis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:23
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/62; B66C23/84; F; F16; F16D; F16D48/00; F16D48/02; F16D48/0206; F16D2048/0212; F16D2048/0221; F16D2500/00; F16D2500/10; F16D2500/102; F16D2500/1026; F16D2500/11; F16D2500/1107; F16D2500/1112; F16D2500/30; F16D2500/314; F16D2500/3146; F16D2500/70; F16D2500/704; F16D2500/70402; F16D2500/70406; F16D2500/7041; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19377; Y10T74/19414; Y10T74/19484; Y10T74/19493
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) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |