US2653020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed control system
Assignee: Individual
•
Filing: 1949-02-16
•
Granted: 1953-09-22
•
Expires: 1969-02-16
Abstract
No abstract record available.
Inventors
- 👤 Jack B Stinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:17
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/023; F02D2700/0238; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/1007; Y10T137/108
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US29025A
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US1009675A
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US1265883A
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US1213499A
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US1611763A
Cited
US2019578A
Cited
US2241096A
Cited
US2415529A
Cited
US2364817A
Cited
US2407042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |