Patent US2619211A successfully refreshed from Google Patents.
US2619211A
Expired / Lapsed
US
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Flexible pin clutch
Assignee: Ajax Flexible Coupling Co Inc
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Filing: 1946-04-27
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Granted: 1952-11-25
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Expires: 1966-04-27
Abstract
No abstract record available.
Inventors
- 👤 Wayne I Belden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:27
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1753300A
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US1730362A
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US1929782A
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US2167705A
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US2189598A
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FR839770A
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US2253431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |