US3306022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire rope
Assignee: United States Steel Corp
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Filing: 1965-04-30
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Granted: 1967-02-28
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Expires: 1985-04-30
Abstract
Abstract 1,136,805. Wire ropes. UNITED STATES STEEL CORP. 12 April, 1966 [30 April, 1965], No. 16017/66. Heading D1T. The wire rope has an independent wire rope core (2), Fig. 2 (not shown) and a plurality of strands (6) surrounding the core, one strand (6) being received in each of the valleys (4) of the core (2), the lay of the outer wires in each strand (6) being a maximum of six times the diameter of the strand (6). The lay is preferably between four and six times the diameter of the strand (6). The lay of the strands (6) is preferably between six and eight times the diameter of the rope, and the wires of the strands (6) are preferably laid in the same direction as the strands of the rope.
Inventors
- 👤 Roger W Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:50
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/06; D07B1/0673; D07B1/068; D07B2201/00; D07B2201/10; D07B2201/1028; D07B2201/1036; D07B2201/20; D07B2201/2015; D07B2201/2036; D07B2201/2037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A WIRE ROPE COMPRISING AN INDEPENDENT WIRE ROPE CORE INCLUDING OUTER STRANDS WITH VALLEYS THEREBETWEEN, AND A PLURALITY OF STRANDS SURROUNDING SAID CORE WITH ONE STRAND BEING RECEIVED IN EACH OF THE VALLEYS OF THE INDEPENDENT WIRE ROPE CORE, EACH OF SAID PLURALITY OF STRANDS INCLUDING OUTER WIRES, THE LAY OF THE PLURALITY OF STRANDS AROUND THE INDEPENDENT WIRE ROPE CORE MATCHING THE LAY OF THE OUTER STRANDS IN THE INDEPENDENT WIRE ROPE CORE, THE LAY OF THE OUTER WIRES IN EACH OF THE PLURALITY OF STRANDS BEING A MAXIMUM OF APPROXIMATELY SIX TIMES THE DIAMETER OF THE STRAND.
Claim 2
Dependent Claim
99 words
A WIRE ROPE COMPRISING AN INDEPENDENT WIRE ROPE CORE INCLUDING OUTER STRANDS WITH VALLEYS THEREBETWEEN, AND A PLURALITY OF STRANDS SURROUNDING SAID CORE WITH ONE STRAND BEING RECEIVED IN EACH OF THE VALLEYS OF THE INDEPENDENT WIRE ROPE CORE, EACH OF SAID PLURALITY OF STRANDS INCLUDING OUTER WIRES, THE LAY OF THE PLURALITY OF STRANDS AROUND THE INDEPENDENT WIRE ROPE CORE MATCHING THE LAY OF THE OUTER STRANDS IN THE INDEPENDENT WIRE ROPE CORE, THE LAY OF THE OUTER WIRES IN EACH OF THE PLURALITY OF STRANDS BEING A MAXIMUM OF APPROXIMATELY SIX TIMES THE DIAMETER OF THE STRAND.
References Cited (Backward Citations)
US2567300A
Cited
US3018606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |