US2839148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle speed control system
Assignee: Individual
•
Filing: 1956-02-10
•
Granted: 1958-06-17
•
Expires: 1976-02-10
Abstract
No abstract record available.
Inventors
- 👤 Olan R Dowdell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:26
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/07; G01P1/08; G01P1/10; G01P1/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2127454A
Cited
GB494174A
Cited
US2174062A
Cited
US2171401A
Cited
US2226425A
Cited
US2236145A
Cited
US2265524A
Cited
US2661071A
Cited
DE884744C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |