Patent US2930211A successfully refreshed from Google Patents.
US2930211A
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Flexible coupling and bushing construction
Assignee: U S UNIVERSAL JOINTS CO
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Filing: 1955-07-01
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Granted: 1960-03-29
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Expires: 1975-07-01
Abstract
No abstract record available.
Inventors
- 👤 Guy Frederick Matthew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:08
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/26; F16D3/28; F16D3/50; F16D3/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1827233A
Cited
US1978939A
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US2297483A
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US2326451A
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US2396353A
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US2622418A
Cited
US2636360A
Cited
FR1048052A
Cited
US2852286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |