Patent US6398775B1 successfully refreshed from Google Patents.
US2421190A
Expired / Lapsed
US
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Hydraulic transmission control
Assignee: Individual
•
Filing: 1941-04-16
•
Granted: 1947-05-27
•
Expires: 1961-04-16
Abstract
No abstract record available.
Inventors
- 👤 Adiel Y Dodge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:42
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19037; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/1926
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2097569A
Cited
US1667565A
Cited
GB285970A
Cited
FR680518A
Cited
US1912112A
Cited
US2008321A
Cited
US2102755A
Cited
US2011734A
Cited
US2084219A
Cited
US1969561A
Cited
US1985884A
Cited
US1950163A
Cited
US2055300A
Cited
US2098691A
Cited
US2055303A
Cited
US2071292A
Cited
US2170649A
Cited
GB455699A
Cited
US2104608A
Cited
GB461947A
Cited
US2076362A
Cited
US2241764A
Cited
GB489396A
Cited
US2245017A
Cited
GB511747A
Cited
US2333680A
Cited
US2202271A
Cited
US2248133A
Cited
US2311740A
Cited
US2197179A
Cited
US2276862A
Cited
US2343304A
Cited
US2309051A
Cited
US2267464A
Cited
US2353137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-26 | 1950-11-25 | 1951-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-26 | 1954-11-25 | 1955-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-26 | 1958-11-25 | 1959-05-27 | $7700.00 | Window Closed / Lapsed |