Patent US2512690A successfully refreshed from Google Patents.
US2512690A
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Universal joint
Assignee: Cleveland Steel Products Corp
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Filing: 1946-05-20
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Granted: 1950-06-27
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Expires: 1966-05-20
Abstract
No abstract record available.
Inventors
- 👤 William J Smith
- 👤 William W Slaght
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:49
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/26; F16D3/38; F16D3/40; F16D3/41; F16C; F16C35/00; F16C35/04; F16C35/06; F16C35/067; F16D3/382; F16C21/00; F16C21/005; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32041
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) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |