US3046450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed responsive fuel control for helicopters
Assignee: RTX Corp
•
Filing: 1959-07-09
•
Granted: 1962-07-24
•
Expires: 1979-07-09
Abstract
No abstract record available.
Inventors
- 👤 Henry E Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:53
CPC Classifications
H; H02; H02P; H02P23/00; H02P23/16; Y; Y10; Y10T; Y10T137/00; Y10T137/0971
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2668921A
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US2684479A
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US2754921A
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US2772378A
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US2827910A
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US2888067A
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US2775724A
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US2829662A
Cited
US2958038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |