US3022770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable vaned rotor assemblies
Assignee: Sanders SA
•
Filing: 1957-04-08
•
Granted: 1962-02-27
•
Expires: 1977-04-08
Abstract
No abstract record available.
Inventors
- 👤 Elmore J Sanders
- 👤 Jr Frederick Winkler
- 👤 Albert M Neymark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:17
CPC Classifications
F; F01; F01D; F01D7/00; F05; F05D; F05D2260/00; F05D2260/70; F05D2260/74; F05D2260/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |