US3527265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed control device for a model airplane engine
Assignee: LUTHER K JENNINGS
•
Filing: 1969-02-17
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Granted: 1970-09-08
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Expires: 1989-02-17
Abstract
No abstract record available.
Inventors
- 👤 Luther K Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:26
CPC Classifications
F; F02; F02M; F02M9/00; F02M9/08; F02B; F02B75/00; F02B75/34; F02M26/00; F02M26/13; F02M26/17; F02M26/21; F02M26/65; F02M26/71; F02B75/02; F02B2075/022; F02B2075/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1380173A
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US1552819A
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US2030508A
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US2627851A
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US2806458A
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US2921568A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |