US2604615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine speed control
Assignee: Bendix Aviation Corp
•
Filing: 1947-05-13
•
Granted: 1952-07-22
•
Expires: 1967-05-13
Abstract
No abstract record available.
Inventors
- 👤 Joel D Peterson
- 👤 Donald M Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:00
CPC Classifications
H; H02; H02P; H02P23/00; H02P23/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2022790A
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US2115086A
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US2258462A
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US2296177A
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US2252518A
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US2246516A
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US2408451A
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US2319218A
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US2382847A
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US2423228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |