US2462944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axially engageable friction clutch
Assignee: CARDWELL Mfg CO Inc
•
Filing: 1943-10-11
•
Granted: 1949-03-01
•
Expires: 1963-10-11
Abstract
No abstract record available.
Inventors
- 👤 Harland W Cardwell
- 👤 Gerald G Brown
- 👤 Earl R Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:14
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/58; F16D13/70; F16D25/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1053163A
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US1655169A
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US1648323A
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US1690698A
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US1787160A
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US1879569A
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US1782880A
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US1828423A
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US2077709A
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US2095816A
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US2199523A
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US2278960A
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US2333003A
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US2349132A
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US2370360A
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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) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |