Patent US3230299A successfully refreshed from Google Patents.
US3230299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical cable with chemically bonded rubber layers
Assignee: General Cable Corp
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Filing: 1963-07-25
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Granted: 1966-01-18
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Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 Radziejowski Jerzy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:00
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
AN INSULATED ELECTRICAL CONDUCTOR HAVING A VOIDFREE MULTI-LAYER COVERING THEREON, SAID COVERING COMPRISING AT LEAST TWO CONCENTRIC LAYERS OF VULCANIZED PEROXIDE-CURABLE RUBBER COMPOUNDS ARRANGED ONE DIRECTLY OVER AND IN CONTACT WITH THE OTHER, THE SAID LAYERS BEING BONDED TOGETHER AT THEIR INTERFACE WITHOUT VOIDS BY CHEMICAL CROSS-LINKING THE LAYERS OF RUBBER COMPOUNDS AT AND ADJACENT TO THEIR INTERFACES BEING TACKIFIED AND SWELLED BY AN OIL LUBRICANT CHEMICALLY INERT TO THE CHEMICAL CROSS-LINKING BOND AND NON-VOLATILE AT THE VULCANIZATION TEMPERATURE, AND THE INTERFACES BEING CHEMICALLY CROSSLINKED BY THE REACTION PRODUCT OF THE TACKIFIED AND SWELLED RUBBER WITH PEROXIDE CURING AGENT CARRIED BY THE OIL AND LOCALIZED BETWEEN THE INTERFACES OF THE LAYERS OF RUBBER COMPOUNDS.
Claim 2
Dependent Claim
114 words
AN INSULATED ELECTRICAL CONDUCTOR HAVING A VOIDFREE MULTI-LAYER COVERING THEREON, SAID COVERING COMPRISING AT LEAST TWO CONCENTRIC LAYERS OF VULCANIZED PEROXIDE-CURABLE RUBBER COMPOUNDS ARRANGED ONE DIRECTLY OVER AND IN CONTACT WITH THE OTHER, THE SAID LAYERS BEING BONDED TOGETHER AT THEIR INTERFACE WITHOUT VOIDS BY CHEMICAL CROSS-LINKING THE LAYERS OF RUBBER COMPOUNDS AT AND ADJACENT TO THEIR INTERFACES BEING TACKIFIED AND SWELLED BY AN OIL LUBRICANT CHEMICALLY INERT TO THE CHEMICAL CROSS-LINKING BOND AND NON-VOLATILE AT THE VULCANIZATION TEMPERATURE, AND THE INTERFACES BEING CHEMICALLY CROSSLINKED BY THE REACTION PRODUCT OF THE TACKIFIED AND SWELLED RUBBER WITH PEROXIDE CURING AGENT CARRIED BY THE OIL AND LOCALIZED BETWEEN THE INTERFACES OF THE LAYERS OF RUBBER COMPOUNDS.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |