US2457692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrodynamic transmission
Assignee: Old Carco LLC
•
Filing: 1943-12-06
•
Granted: 1948-12-28
•
Expires: 1963-12-06
Abstract
No abstract record available.
Inventors
- 👤 Brie Ludger E La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:00
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19149; Y10T74/19153
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2055895A
Cited
US2021413A
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US2144596A
Cited
GB446979A
Cited
US2156493A
Cited
US2337748A
Cited
US2230777A
Cited
US2349937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-28 | 1952-06-28 | 1952-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-28 | 1956-06-28 | 1956-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-28 | 1960-06-28 | 1960-12-28 | $7700.00 | Window Closed / Lapsed |