Patent US2714286A successfully refreshed from Google Patents.
US2714286A
Expired / Lapsed
US
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Liquid propellant injection system for jet motors
Assignee: Aerojet Rocketdyne Inc
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Filing: 1944-07-14
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Granted: 1955-08-02
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Expires: 1964-07-14
Abstract
No abstract record available.
Inventors
- 👤 Maurice J Zucrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:25
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/95; F02K9/42; F02K9/60; F02K9/62
Claims Analysis
Total Claims: 0
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US2390806A
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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) | 1958-08-01 | 1959-01-31 | 1959-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-01 | 1963-01-31 | 1963-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-01 | 1967-01-31 | 1967-08-02 | $7700.00 | Window Closed / Lapsed |