US2662372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic engine speed control system
Assignee: Individual
•
Filing: 1947-08-27
•
Granted: 1953-12-15
•
Expires: 1967-08-27
Abstract
No abstract record available.
Inventors
- 👤 Franklin F Offner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:22
CPC Classifications
H; H02; H02P; H02P23/00; H02P23/16; Y; Y10; Y10S; Y10S60/00; Y10S60/913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US746047A
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US1187795A
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US1580368A
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US1686792A
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US1743545A
Cited
US1751225A
Cited
US2247166A
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US2336232A
Cited
US2492472A
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US2428702A
Cited
US2442300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |