US2798360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ducted fan type jet propulsion engine
Assignee: Motors Liquidation Co
•
Filing: 1950-10-06
•
Granted: 1957-07-09
•
Expires: 1970-10-06
Abstract
No abstract record available.
Inventors
- 👤 Ronald M Hazen
- 👤 Otaker P Prachar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:24
CPC Classifications
F; F02; F02K; F02K3/00; F02K3/08; F02K3/105; F02K3/11; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2434678A
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US2435091A
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US2526409A
Cited
US2503006A
Cited
US2610465A
Cited
US2460778A
Cited
US2673445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |