US3365892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbomachine
Assignee: Individual
•
Filing: 1965-08-10
•
Granted: 1968-01-30
•
Expires: 1985-08-10
Abstract
No abstract record available.
Inventors
- 👤 Derderian George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:31
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/04; F02C3/045; F02C3/05; F02C3/08; F02C3/14; F04; F04D; F04D17/00; F04D17/02; F04D17/025; F04D19/00; F04D19/02; F04D29/00; F04D29/26; F04D29/28; F04D29/284; F23; F23R; F23R3/00; F23R3/42; F23R3/425; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB456980A
Cited
US2256198A
Cited
GB552391A
Cited
US2601612A
Cited
US2610465A
Cited
US2651492A
Cited
US2658338A
Cited
US2694291A
Cited
US2557131A
Cited
US2709893A
Cited
US2738645A
Cited
FR1022629A
Cited
FR1038537A
Cited
US3093084A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |