US2508673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet propulsion engine
Assignee: THEODORE W MILLER
•
Filing: 1945-02-05
•
Granted: 1950-05-23
•
Expires: 1965-02-05
Abstract
No abstract record available.
Inventors
- 👤 Roy E Guthier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:16
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR423590A
Cited
GB191027087A
Cited
US1099083A
Cited
US1569607A
Cited
GB227151A
Cited
GB366450A
Cited
US1934237A
Cited
US1923054A
Cited
US2021481A
Cited
US2142601A
Cited
US2397357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |