Patent US3124927A successfully refreshed from Google Patents.
US3124927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making wire rope
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
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Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:13
CPC Classifications
D; D07; D07B; D07B5/00; D07B5/12; Y; Y10; Y10T; Y10T29/00; Y10T29/47
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
96 words
A METHOD OF MANUFACTURING A PREFORMED STRAND FOR A WIRE ROPE WHICH INCLUDES THE STEPS OF LAYING WIRE INTO A STRAND IN A WIRE STRANDING MACHINE BY TWISTING AND BENDING THE WIRES INTO A STRAND, PREFORMING THE STRAND BY TWISTING AND BENDING THE STRAND INTO A HELIX, AND SUBSEQUENTLY TREATING THE EXPOSED SURFACES OF THE WIRES IN THE PREFORMED STRAND BY COLD WORKING TO PRODUCE THEREON A DIMPLED SURFACE TO STRESS RELIEVE THE SAID SURFACES AFTER THE BENDING AND TWISTING OPERATIONS PERFORMED DURING LAYING THE WIRES INTO A STRAND AND PREFORMING THE STRAND INTO A HELIX.
References Cited (Backward Citations)
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Cited
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Cited
US2249677A
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US2341674A
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) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |