Patent US2426023A successfully refreshed from Google Patents.
US2426023A
Expired / Lapsed
US
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Clutch
Assignee: Westinghouse Electric Corp
•
Filing: 1944-02-10
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Granted: 1947-08-19
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Expires: 1964-02-10
Abstract
No abstract record available.
Inventors
- 👤 Kresten L Jeppesen
- 👤 Perceval H Keays
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:54
CPC Classifications
F; F16; F16D; F16D11/00; F16D11/08; F16D11/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US435802A
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US521178A
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US1369220A
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US914700A
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US945668A
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US1515100A
Cited
GB227235A
Cited
US1706791A
Cited
US1670475A
Cited
US2079513A
Cited
US2126200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-18 | 1951-02-17 | 1951-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-18 | 1955-02-17 | 1955-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-18 | 1959-02-17 | 1959-08-19 | $7700.00 | Window Closed / Lapsed |