US3009318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbofan engine with reversible pitch fan
Assignee: Teledyne Ryan Aeronautical Corp
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Filing: 1960-04-22
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Granted: 1961-11-21
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Expires: 1980-04-22
Abstract
No abstract record available.
Inventors
- 👤 Skoff Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:16
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/54; F02K1/64; F02K1/66; F02K3/00; F02K3/02; F02K3/04; F02K3/062; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1779050A
Cited
US2692724A
Cited
GB586572A
Cited
DE866145C
Cited
US2527732A
Cited
US2587649A
Cited
US2663494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |