Patent US3138656A successfully refreshed from Google Patents.
US3138656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric cable connection
Assignee: Phelps Dodge Copper Products Corp
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Filing: 1961-07-31
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Granted: 1964-06-23
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Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Merrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:45
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/58; H01R4/62; H01R4/625
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN COMBINATION WITH TWO LENGTHS OF POWER CABLE EACH HAVING A GENERALLLY CYLINDRICAL ALUMINUM CONDUCTOR AND A GENERALLY CYLINDRICAL INSULATION COVERING CLOSELY SURROUNDING THE CONDUCTOR, SAID COVERING BEING CUT BACK FROM OPPOSING ENDS OF THE CONDUCTORS TO EXPOSE ADJACENT END PORTIONS OF THE RESPECTIVE CONDUCTORS, SPLICE COMPRISING A BUTT-WELD JOINING SAID OPPOSING ENDS OF THE CONDUCTORS, A MECHANICAL CONNECTOR SLEEVE HAVING AN EXTERNAL DIAMETER APPROXIAMTING THE EXTERNAL DIAMETER OF SAID CYLINDRICAL COVERINGS AND HAVING AN INTERNAL DIAMETER APPROXIMATING THE DIAMETER OF SAID CYLINDRICAL CONDUCTORS, SAID SLEEVE EXTENDING CLOSELY AND COMPLETELY AROUND THE BUTT-WELD AND AROUND SAID EXPOSED END PORTIONS OF THE RESPECTIVE CONDUCTORS ADJACENT SAID WELD, SAID END PORTIONS HAVING EXCESSES IN THEIR GENERALLY CYLINDRICAL SURFACES AND HAVING A SUBSTANTIALLY UNIFORM DIAMETER THROUGHOUT THE LENGTHS THEREOF, AND PINNING MEANS INTEGRAL WITH THE SLEEVE AND CLOSELY FITTED IN SAID RECESSES; WHERBY THE PINNING MEANS PENETRATE SAID CYLINDRICAL SURFACES TO POSITIVELY SECURE THE SLEEEVE TO SAID END PORTIONS.
Claim 2
Dependent Claim
156 words
IN COMBINATION WITH TWO LENGTHS OF POWER CABLE EACH HAVING A GENERALLLY CYLINDRICAL ALUMINUM CONDUCTOR AND A GENERALLY CYLINDRICAL INSULATION COVERING CLOSELY SURROUNDING THE CONDUCTOR, SAID COVERING BEING CUT BACK FROM OPPOSING ENDS OF THE CONDUCTORS TO EXPOSE ADJACENT END PORTIONS OF THE RESPECTIVE CONDUCTORS, SPLICE COMPRISING A BUTT-WELD JOINING SAID OPPOSING ENDS OF THE CONDUCTORS, A MECHANICAL CONNECTOR SLEEVE HAVING AN EXTERNAL DIAMETER APPROXIAMTING THE EXTERNAL DIAMETER OF SAID CYLINDRICAL COVERINGS AND HAVING AN INTERNAL DIAMETER APPROXIMATING THE DIAMETER OF SAID CYLINDRICAL CONDUCTORS, SAID SLEEVE EXTENDING CLOSELY AND COMPLETELY AROUND THE BUTT-WELD AND AROUND SAID EXPOSED END PORTIONS OF THE RESPECTIVE CONDUCTORS ADJACENT SAID WELD, SAID END PORTIONS HAVING EXCESSES IN THEIR GENERALLY CYLINDRICAL SURFACES AND HAVING A SUBSTANTIALLY UNIFORM DIAMETER THROUGHOUT THE LENGTHS THEREOF, AND PINNING MEANS INTEGRAL WITH THE SLEEVE AND CLOSELY FITTED IN SAID RECESSES; WHERBY THE PINNING MEANS PENETRATE SAID CYLINDRICAL SURFACES TO POSITIVELY SECURE THE SLEEEVE TO SAID END PORTIONS.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |