Patent US2773368A successfully refreshed from Google Patents.
US2773368A
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Universal couplings with sealed bearings
Assignee: Cleveland Steel Products Corp
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Filing: 1952-05-22
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Granted: 1956-12-11
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Expires: 1972-05-22
Abstract
No abstract record available.
Inventors
- 👤 William W Slaght
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:52
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7803; F16C33/7809; F16D; F16D3/00; F16D3/16; F16D3/26; F16D3/38; F16D3/382; F16D3/385; F16D3/40; F16D3/41; F16C21/00; F16C21/005; F16C2361/00; F16C2361/41; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1959259A
Cited
US2027078A
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US2020253A
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US2253300A
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US2209855A
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US2485504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |