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Patent US2672740A successfully refreshed from Google Patents.
US2672740A
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Constant velocity universal joint
Assignee: UNIVERSAL PRODUCTS CO Inc
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Filing: 1952-02-08
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Granted: 1954-03-23
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Expires: 1972-02-08
Abstract
No abstract record available.
Inventors
- 👤 George E Dunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:16
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/26; F16D3/30; F16D3/34; Y; Y10; Y10S; Y10S464/00; Y10S464/904; Y10S464/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |