US3344228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal barriers for electric cables
Assignee: PIERCE & STEVENS CHEMICAL Corp
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Filing: —
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Granted: 1967-09-26
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Expires: 1984-09-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:27
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/29; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/447; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49123
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
58 words
AN ELECTRICAL CABLE HAVING A CORE OF AT LEAST ONE INSULATED METALLIC CONDUCTOR, FOAMED POLYMER COMPOSITION SURROUNDING THE CORE THE INNER SURFACE OF SAID FOAMED POLYMER COMPOSITION HAVING AN ESSENTIALLY ANNULAR CROSSSECTION, A CONTINUOUS, ANNULAR SUPPORTING SHREATHING MEMBER SURROUNDING AND ADHERED TO THE LAYER OF FOAMED INSULATING MATERIAL, AND AN OUTER POLYMER JACKET SURROUNDING THE INNER SUPPORTING MEMBER.
Claim 2
Dependent Claim
58 words
AN ELECTRICAL CABLE HAVING A CORE OF AT LEAST ONE INSULATED METALLIC CONDUCTOR, FOAMED POLYMER COMPOSITION SURROUNDING THE CORE THE INNER SURFACE OF SAID FOAMED POLYMER COMPOSITION HAVING AN ESSENTIALLY ANNULAR CROSSSECTION, A CONTINUOUS, ANNULAR SUPPORTING SHREATHING MEMBER SURROUNDING AND ADHERED TO THE LAYER OF FOAMED INSULATING MATERIAL, AND AN OUTER POLYMER JACKET SURROUNDING THE INNER SUPPORTING MEMBER.
Claim 3
Dependent Claim
44 words
A LAMINATE FOR USE AS A THERMAL BARRIER AND SHEATHING MEMBER IN ELECTRIC CABLES WHICH COMPRISES A CABLE SHEATHING MEMBER HAVING A FIRST AND SECOND SIDE, SAID MEMBER HAVING ADHERED TO AT LEAST THE FIRST SIDE OF A LAYER OF A FOAMABLE COATING COMPOSITION.
Claim 4
Dependent Claim
44 words
A LAMINATE FOR USE AS A THERMAL BARRIER AND SHEATHING MEMBER IN ELECTRIC CABLES WHICH COMPRISES A CABLE SHEATHING MEMBER HAVING A FIRST AND SECOND SIDE, SAID MEMBER HAVING ADHERED TO AT LEAST THE FIRST SIDE OF A LAYER OF A FOAMABLE COATING COMPOSITION.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |