Patent US2875579A successfully refreshed from Google Patents.
US2875579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine engine midframe
Assignee: Motors Liquidation Co
•
Filing: 1952-08-08
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Granted: 1959-03-03
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Expires: 1972-08-08
Abstract
No abstract record available.
Inventors
- 👤 Gerdan Dimitrius
- 👤 Charles J Mcdowall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:46
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/20; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1826666A
Cited
US1930782A
Cited
CH264721A
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US2475635A
Cited
US2625794A
Cited
US2647684A
Cited
US2548886A
Cited
US2674090A
Cited
US2682363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |