US2587823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction type clutch
Assignee: Fairchild Engine and Airplane Corp
•
Filing: 1946-07-16
•
Granted: 1952-03-04
•
Expires: 1966-07-16
Abstract
No abstract record available.
Inventors
- 👤 Pew Chester C De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:03
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2014630A
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US2020667A
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US2091270A
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US2239236A
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US2314030A
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US2408301A
Cited
US2448763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |