US3854002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensible helically coiled electrical leads
Assignee: KM Kabelmetal AG
•
Filing: 1970-12-21
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Granted: 1974-12-10
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Expires: 1990-12-21
Abstract
Abstract An extensible, helically coiled electrical lead including one or more electrical conductors, with an elastomeric covering of polyurethane alone or mixed with polyvinyl chloride; the covering being applied directly to the conductor as insulation therefor, as well as providing the resiliency required in extensible leads; or as a sheath for conductors insulated with thermoplastic resins.
Inventors
- 👤 F Glander
- 👤 H Rager
- 👤 B Eilhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:30
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/02; H01B7/0275; H01B7/06; H01B7/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
AN EXTENSIBLE, HELICALLY COILED ELECTRICL LEAD COMPRISING AT LEAST ONE CONDUCTOR OF LARGE CROSS SECTION AND HEAVY CURRENT CARRYING CAPACITY AND AN ELASTOMERIC COVERING FOR SAID CONDUCTOR WHEREBY THE CONVOLUTIONS OF SAID HELICALLY COILED LEAD
Claim 2
Dependent Claim
35 words
AN EXTENSIBLE, HELICALLY COILED ELECTRICL LEAD COMPRISING AT LEAST ONE CONDUCTOR OF LARGE CROSS SECTION AND HEAVY CURRENT CARRYING CAPACITY AND AN ELASTOMERIC COVERING FOR SAID CONDUCTOR WHEREBY THE CONVOLUTIONS OF SAID HELICALLY COILED LEAD
References Cited (Backward Citations)
GB1083932A
Cited
US3334176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-09 | 1978-06-10 | 1978-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-09 | 1982-06-10 | 1982-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-09 | 1986-06-10 | 1986-12-10 | $7700.00 | Window Closed / Lapsed |