US3020969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for controlling the speed of operation of an internal combustion engine
Assignee: Rheem Manufacturing Co
•
Filing: 1960-03-01
•
Granted: 1962-02-13
•
Expires: 1980-03-01
Abstract
No abstract record available.
Inventors
- 👤 Berg Richard E Von
- 👤 Laurent Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:59
CPC Classifications
B; B60; B60K; B60K31/00; B60K31/06; F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/023; F02D2700/0241; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/1007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2148729A
Cited
GB568054A
Cited
US2453377A
Cited
US2369397A
Cited
US2527352A
Cited
US2486369A
Cited
US2714880A
Cited
US2671542A
Cited
US2925066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |