US2718757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft gas turbine and jet
Assignee: Lummus Technology LLC
•
Filing: 1951-01-17
•
Granted: 1955-09-27
•
Expires: 1971-01-17
Abstract
No abstract record available.
Inventors
- 👤 Ward J Bloomer
- 👤 Hyman R Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:57
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/02; F23R3/04; F23R3/10; F23R3/12; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2398654A
Cited
GB588086A
Cited
US2475911A
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US2579614A
Cited
US2458497A
Cited
US2543762A
Cited
US2510645A
Cited
US2552492A
Cited
US2654996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |