Patent US2757352A successfully refreshed from Google Patents.
US2757352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper aluminum connector
Assignee: ABB Installation Products Inc
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Filing: 1955-03-08
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Granted: 1956-07-31
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Expires: 1975-03-08
Abstract
No abstract record available.
Inventors
- 👤 James F Turley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:06
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/58; H01R4/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
A PERMANENTLY FABRICATED NEW ARTICLE OF MANUFACTURE, COMPRISING IN COMBINATION, A CONNECTOR LUG OF HIGHLY CONDUCTIVE METAL HAVING A FLAT, RECTANGULAR TANG PORTION PROVIDED WITH AN END WALL NORMAL THERETO, A CYLINDRICAL STUDY INTEGRAL WITH SAID END WALL AND EXTENDING IN A DIRECTION OPPOSITE SAID TANG PORTION, A RESILIENT ANNULAR GASKET FITTED ON SAID STUD IN ABUTTING ENGAGEMENT WITH SAID END WALL, AND A COMPRESSION SLEEVE OF DUCTILE CONDUCTIVE METAL HAVING AN OUTER DIAMETER SUBSTANTIALLY EQUAL TO THAT OF SAID GASKET AND A LENGTH GREATER THAN THAT OF SAID STUD, PARTLY TELESCOPED ON SAID STUDY WITH ONE END FACE THEREOF IN ABUTTING ENGAGEMNT WITH SAID GASKET, SAID COMPRESSION SLEEVE BEING CRIMPED ANNULARLY ADJACENT ITS GASKET ABUTTING END FACE AND IN A REGION SURROUNDING THE FREE END PORTION OF SAID STUD TO PERMANENTLY SECURE SAID SLEEVE THEREON WHEREBY THE TELESCOPED PORTION OF SAID SLEEVE IS SUBSTANTIALLY ELONGATED AXIALLY AND SAID GASKET THEREBY COMPRESSED INTO SEALING ENGAGEMENT WITH SAID END WALL AND THE ABUTTING END FACE OF SAID SLEEVE, THE REMAINING PORTION OF SAID SLEEVE BEING ADAPTED TO RECEIVE A CABLE END PORTION THEREIN WITH SAID REMAINING SLEEVE PORTION CRIMPED ANNULARLY THEREON.
Claim 2
Dependent Claim
190 words
A PERMANENTLY FABRICATED NEW ARTICLE OF MANUFACTURE, COMPRISING IN COMBINATION, A CONNECTOR LUG OF HIGHLY CONDUCTIVE METAL HAVING A FLAT, RECTANGULAR TANG PORTION PROVIDED WITH AN END WALL NORMAL THERETO, A CYLINDRICAL STUDY INTEGRAL WITH SAID END WALL AND EXTENDING IN A DIRECTION OPPOSITE SAID TANG PORTION, A RESILIENT ANNULAR GASKET FITTED ON SAID STUD IN ABUTTING ENGAGEMENT WITH SAID END WALL, AND A COMPRESSION SLEEVE OF DUCTILE CONDUCTIVE METAL HAVING AN OUTER DIAMETER SUBSTANTIALLY EQUAL TO THAT OF SAID GASKET AND A LENGTH GREATER THAN THAT OF SAID STUD, PARTLY TELESCOPED ON SAID STUDY WITH ONE END FACE THEREOF IN ABUTTING ENGAGEMNT WITH SAID GASKET, SAID COMPRESSION SLEEVE BEING CRIMPED ANNULARLY ADJACENT ITS GASKET ABUTTING END FACE AND IN A REGION SURROUNDING THE FREE END PORTION OF SAID STUD TO PERMANENTLY SECURE SAID SLEEVE THEREON WHEREBY THE TELESCOPED PORTION OF SAID SLEEVE IS SUBSTANTIALLY ELONGATED AXIALLY AND SAID GASKET THEREBY COMPRESSED INTO SEALING ENGAGEMENT WITH SAID END WALL AND THE ABUTTING END FACE OF SAID SLEEVE, THE REMAINING PORTION OF SAID SLEEVE BEING ADAPTED TO RECEIVE A CABLE END PORTION THEREIN WITH SAID REMAINING SLEEVE PORTION CRIMPED ANNULARLY THEREON.
References Cited (Backward Citations)
US1630104A
Cited
US1482288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |