Patent US3574577A successfully refreshed from Google Patents.
US3574577A
Expired / Lapsed
US
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Method of preventing ice formation in a jet engine
Assignee: Texaco Inc
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Filing: 1968-05-22
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Granted: 1971-04-13
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Expires: 1988-05-22
Abstract
Abstract METHOD OF OPERATING A JET ENGINE ON A HYDROCARBON TYPE JET FUEL CONTAINING A POLYETHOXYLATED PROPYLENE DIAMINE TO PREVENT FORMATION OF ICE CRYSTALS IN THE FUEL SYSTEM.
Inventors
- 👤 George W Eckert
- 👤 Jerzy J Bialy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:53
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C10L1/2225; C10L1/234; C10L1/238; C10L1/2383; C10L1/2387
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |