Patent US3288916A successfully refreshed from Google Patents.
US3288916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple conductor cable with tubular foam filler insulation
Assignee: Columbian Rope Co
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Filing: 1964-07-28
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Granted: 1966-11-29
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Expires: 1984-07-28
Abstract
No abstract record available.
Inventors
- 👤 Archie W Koon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:34
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/18; H01B7/1895
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A CONDUCTOR CABLE COMPRISING A NUMBER OF ELONGATE CONDUCTORS, A TUBULAR SHEATH ENCLOSING AND ENGAGING THE CONDUCTORS AND DEFINING THEREWITH A NUMBER OF ELONGATE CAVITIES, AND A NUMBER OF ELONGATE TUBULAR FILLERS OF FOAM PLASTIC RECEIVED IN THE CAVITIES, EACH FILLED HAVING TWO CONCAVE WALLS IN CONTOUR ENGAGEMENT WITH AN ASSOCIATED PAIR OF CONDUCTORS AND A CONVEX THIRD WALL IN CONTOUR ENGAGEMENT WITH THE INNER SURFACE OF SAID SHEATH, SAID CONVEX AND CONCAVE WALLS HAVING A TOTAL CROSS-SECTION AREA EQUAL TO APPROXIMATELY 80% OF THE CROSS-SECTIONAL AREA OF ONE CAVITY.
Claim 2
Dependent Claim
90 words
A CONDUCTOR CABLE COMPRISING A NUMBER OF ELONGATE CONDUCTORS, A TUBULAR SHEATH ENCLOSING AND ENGAGING THE CONDUCTORS AND DEFINING THEREWITH A NUMBER OF ELONGATE CAVITIES, AND A NUMBER OF ELONGATE TUBULAR FILLERS OF FOAM PLASTIC RECEIVED IN THE CAVITIES, EACH FILLED HAVING TWO CONCAVE WALLS IN CONTOUR ENGAGEMENT WITH AN ASSOCIATED PAIR OF CONDUCTORS AND A CONVEX THIRD WALL IN CONTOUR ENGAGEMENT WITH THE INNER SURFACE OF SAID SHEATH, SAID CONVEX AND CONCAVE WALLS HAVING A TOTAL CROSS-SECTION AREA EQUAL TO APPROXIMATELY 80% OF THE CROSS-SECTIONAL AREA OF ONE CAVITY.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |