US3201507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow conductor for power cables
Assignee: —
•
Filing: —
•
Granted: 1965-08-17
•
Expires: 1982-08-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:54
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/28; H01B7/282; H01B7/285
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A HOLLOW CONDUCTOR FOR POWER CABLES COMPRISING A CIRCULAR TUBE HAVING AT LEAST ONE GROOVE IN ITS SURFACE AND HOLES IN THE BOTTOM OF EACH SAID GROOVE, THE DIAMETERS OF SAID HOLES BEING SMALLER THAN THE WIDTH OF SAID GROOVES WHEREBY FLUID FLOWING THROUGH SAID HOLES INTO SAID GROOVES IS GUIDED ALONG SAID GROOVES, AND AT LEAST ONE LAYER OF PROFILED METAL WIRES WHICH ARE STRANDED OVER THE CONDUCTOR WHEREBY THE CONDUCTOR CROSS-SECTION IS INCREASED.
Claim 2
Dependent Claim
75 words
A HOLLOW CONDUCTOR FOR POWER CABLES COMPRISING A CIRCULAR TUBE HAVING AT LEAST ONE GROOVE IN ITS SURFACE AND HOLES IN THE BOTTOM OF EACH SAID GROOVE, THE DIAMETERS OF SAID HOLES BEING SMALLER THAN THE WIDTH OF SAID GROOVES WHEREBY FLUID FLOWING THROUGH SAID HOLES INTO SAID GROOVES IS GUIDED ALONG SAID GROOVES, AND AT LEAST ONE LAYER OF PROFILED METAL WIRES WHICH ARE STRANDED OVER THE CONDUCTOR WHEREBY THE CONDUCTOR CROSS-SECTION IS INCREASED.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |