US2660033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Freewheeling clutch between a compressor turbine and an output turbine
Assignee: CA Parsons and Co Ltd
•
Filing: 1949-03-08
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Granted: 1953-11-24
•
Expires: 1969-03-08
Abstract
No abstract record available.
Inventors
- 👤 Bowden Andrew Thomson
- 👤 Muller Alfred
- 👤 Kolb Paul
- 👤 Zadnick Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:00
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB194980A
Cited
FR620680A
Cited
US2399046A
Cited
US2371889A
Cited
US2402725A
Cited
US2482791A
Cited
US2547660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |