US3172947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow core cable
Assignee: —
•
Filing: —
•
Granted: 1965-03-09
•
Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:28
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/06; D07B1/08; H; H01; H01B; H01B13/00; H01B13/02; H01B5/00; H01B5/08; H01B5/10; H01B5/101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A HOLLOW CORE CABLE COMPRISING A PLURALITY OF CIRCULAR, CONCENTRIC LAYERS OF STRANDS WHERE EACH LAYER OF STRANDS IS DISTINCT FROM THE STRANDS OF THE OTHER LAYERS, THE INNERMOST LAYER OF STRANDS DEFINING SAID HOLLOW CORE AND BEING NESTED SIDE BY SIDE SO AS TO COOPERATE WITH ONE ANOTHER TO PRODUCE A CRUSH RESISTANT HOLLOW TUBE-LIKE LAYER RESISTING A CIRCUMFERENTIAL STRESS TENDING TO COLLAPSE SAID INNERMOST LAYER, SAID INNERMOST LAYER BEING FABRI-
Claim 2
Dependent Claim
72 words
A HOLLOW CORE CABLE COMPRISING A PLURALITY OF CIRCULAR, CONCENTRIC LAYERS OF STRANDS WHERE EACH LAYER OF STRANDS IS DISTINCT FROM THE STRANDS OF THE OTHER LAYERS, THE INNERMOST LAYER OF STRANDS DEFINING SAID HOLLOW CORE AND BEING NESTED SIDE BY SIDE SO AS TO COOPERATE WITH ONE ANOTHER TO PRODUCE A CRUSH RESISTANT HOLLOW TUBE-LIKE LAYER RESISTING A CIRCUMFERENTIAL STRESS TENDING TO COLLAPSE SAID INNERMOST LAYER, SAID INNERMOST LAYER BEING FABRI-
References Cited (Backward Citations)
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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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |