US3274329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shielded cords
Assignee: Cooper Industries LLC
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Filing: 1964-05-06
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Granted: 1966-09-20
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Expires: 1984-05-06
Abstract
No abstract record available.
Inventors
- 👤 Frank E Timmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:20
CPC Classifications
H; H01; H01B; H01B9/00; H01B9/02; H01B9/023; H01B7/00; H01B7/06; H01B7/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A SHIELDED CORD COMPRISING AT LEAST ONE INSULATED WIRE, DUAL SUPERIMPOSED TAPES SPIRALLY SERVED ABOUT SAID INSULATED WIRE, SAID TAPES EACH BEING SERVED WITH LONGITUDINAL EDGE PORTIONS THEREOF OVERLAPPING AND INCLUDING AN INSULATING LAYER AND A METALLIC LAYER, THE METALLIC LAYERS BEING FACED TOWARD EACH OTHER AND AN UNINSULATED DRAIN WIRE DISPOSED BETWEEN SAID SUPERIMPOSED TAPES IN CONTACT WITH BOTH OF SAID FACING METALLIC LAYERS.
Claim 2
Dependent Claim
65 words
A SHIELDED CORD COMPRISING AT LEAST ONE INSULATED WIRE, DUAL SUPERIMPOSED TAPES SPIRALLY SERVED ABOUT SAID INSULATED WIRE, SAID TAPES EACH BEING SERVED WITH LONGITUDINAL EDGE PORTIONS THEREOF OVERLAPPING AND INCLUDING AN INSULATING LAYER AND A METALLIC LAYER, THE METALLIC LAYERS BEING FACED TOWARD EACH OTHER AND AN UNINSULATED DRAIN WIRE DISPOSED BETWEEN SAID SUPERIMPOSED TAPES IN CONTACT WITH BOTH OF SAID FACING METALLIC LAYERS.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |