US3321728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating electrical connector for armored cord
Assignee: AT&T Inc
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Filing: 1964-08-13
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Granted: 1967-05-23
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Expires: 1984-08-13
Abstract
No abstract record available.
Inventors
- 👤 Eugene R Cocco
- 👤 Victor S Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:01
CPC Classifications
H; H01; H01R; H01R39/00; H04; H04M; H04M1/00; H04M1/02; H04M1/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
APPARATUS FOR EFFECTING ROTATABLE ELECTRICAL CONNECTIONS BETWEEN THE CONDUCTORS OF AN ELECTRICAL CORD LEADING TO A FIXED HOUSING AND A LIKE PLURALITY OF CONDUCTORS WITHIN SAID HOUSING, SAID APPARATUS COMPRISING: AN INSULATIVE ROTATABLE ELEMENT COMPRISING FIRST AND SECOND CYLINDRICAL END SHOULDERS AND A RAISED MIDPORTION FLANGE, SAID FIRST END SHOULDER DEFINING A ROTATIONAL BEARING SURFACE AND THE ADJACENT SAID MIDPORTION FLANGE DEFINING A THRUST BEARING SURFACE, SAID ROTATABLE ELEMENT FURTHER COMPRISING AN AXIAL PASSAGE; A PLURALITY OF SPACED CONDUCTIVE RINGS MOUNTED ON SAID SECOND END SHOULDER; AN ELECTRICAL CORD PASSING THROUGH SAID HOUSING AND DISPOSED IN SAID AXIAL PASSAGE; MEANS FOR ANCHORING SAID CORD INTERNALLY IN SAID ROTATABLE ELEMENT; MEANS FOR CONNECTING INDIVIDUAL CONDUCTORS IN SAID CORD WITH RESPECTIVE ONES OF SAID AN-
Claim 2
Dependent Claim
123 words
APPARATUS FOR EFFECTING ROTATABLE ELECTRICAL CONNECTIONS BETWEEN THE CONDUCTORS OF AN ELECTRICAL CORD LEADING TO A FIXED HOUSING AND A LIKE PLURALITY OF CONDUCTORS WITHIN SAID HOUSING, SAID APPARATUS COMPRISING: AN INSULATIVE ROTATABLE ELEMENT COMPRISING FIRST AND SECOND CYLINDRICAL END SHOULDERS AND A RAISED MIDPORTION FLANGE, SAID FIRST END SHOULDER DEFINING A ROTATIONAL BEARING SURFACE AND THE ADJACENT SAID MIDPORTION FLANGE DEFINING A THRUST BEARING SURFACE, SAID ROTATABLE ELEMENT FURTHER COMPRISING AN AXIAL PASSAGE; A PLURALITY OF SPACED CONDUCTIVE RINGS MOUNTED ON SAID SECOND END SHOULDER; AN ELECTRICAL CORD PASSING THROUGH SAID HOUSING AND DISPOSED IN SAID AXIAL PASSAGE; MEANS FOR ANCHORING SAID CORD INTERNALLY IN SAID ROTATABLE ELEMENT; MEANS FOR CONNECTING INDIVIDUAL CONDUCTORS IN SAID CORD WITH RESPECTIVE ONES OF SAID AN-
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) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |