Patent US3070980A successfully refreshed from Google Patents.
US3070980A
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Universal couplings
Assignee: Cleveland Steel Products Corp
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Filing: 1960-09-21
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Granted: 1963-01-01
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Expires: 1980-09-21
Abstract
No abstract record available.
Inventors
- 👤 William W Slaght
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:08
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/26; F16D3/38; F16D3/40; F16D3/41; F16C; F16C17/00; F16C17/04; F16C17/08; F16C21/00; F16C21/005; F16C2361/00; F16C2361/41
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
IN A BEARING CUP FOR A CROSS AND YOKE TYPE UNIVERSAL COUPLING, SAID BEARING CUP BEING DEFINED BY A CYLINDRICAL SIDE WALL AND AN END WALL WITH A CONTINUOUS ANNULAR CHANNEL IN THE END WALL AT ITS JUNCTURE WITH THE SIDE WALL, THE IMPROVEMENT COMPRISING A CENTRAL DEPRESSION FORMED ENTIRELY IN THE INNER SURFACE OF SAID END WALL AND A MULTIPLICITY OF GROOVES FORMED ENTIRELY IN SAID INNER SURFACE
Claim 2
Dependent Claim
69 words
IN A BEARING CUP FOR A CROSS AND YOKE TYPE UNIVERSAL COUPLING, SAID BEARING CUP BEING DEFINED BY A CYLINDRICAL SIDE WALL AND AN END WALL WITH A CONTINUOUS ANNULAR CHANNEL IN THE END WALL AT ITS JUNCTURE WITH THE SIDE WALL, THE IMPROVEMENT COMPRISING A CENTRAL DEPRESSION FORMED ENTIRELY IN THE INNER SURFACE OF SAID END WALL AND A MULTIPLICITY OF GROOVES FORMED ENTIRELY IN SAID INNER SURFACE
References Cited (Backward Citations)
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |