Patent US3291891A successfully refreshed from Google Patents.
US3291891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shielded electric cables
Assignee: Cooper Industries LLC
•
Filing: 1964-03-23
•
Granted: 1966-12-13
•
Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 Robert E Sharp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:31
CPC Classifications
H; H01; H01B; H01B9/00; H01B9/02; H01B9/028; H01B11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
AN ELECTRICAL CABLE COMPRISING AT LEAST TWO INSULATED CONDUCTORS, A PLURALITY OF CONTACTING UNINSULATED CONDUCTORS DISPOSED BETWEEN SAID INSULATED CONDUCTORS SO AS TO PROVIDE A BARRIER THEREBETWEEN, AND A METALLIC CONDUCTIVE SHIELD DISPOSED OVER SAID CONDUCTORS IN ELECTRICAL CONTACT WITH AT LEAST ONE OF SAID UNINSULATED CONDUCTORS.
Claim 2
Dependent Claim
47 words
AN ELECTRICAL CABLE COMPRISING AT LEAST TWO INSULATED CONDUCTORS, A PLURALITY OF CONTACTING UNINSULATED CONDUCTORS DISPOSED BETWEEN SAID INSULATED CONDUCTORS SO AS TO PROVIDE A BARRIER THEREBETWEEN, AND A METALLIC CONDUCTIVE SHIELD DISPOSED OVER SAID CONDUCTORS IN ELECTRICAL CONTACT WITH AT LEAST ONE OF SAID UNINSULATED CONDUCTORS.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |