Patent US3131530A successfully refreshed from Google Patents.
US3131530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire ropes
Assignee: Individual
•
Filing: 1960-11-18
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Granted: 1964-05-05
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Expires: 1980-11-18
Abstract
No abstract record available.
Inventors
- 👤 Dietz Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:05
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
102 words
A WIRE ROPE COMPRISING, IN COMBINATION, A ROPE CORE, A LAYER OF OUTER WIRE ELEMENTS DIRECTLY SUPPORTED ON THE CORE, AND CONSTIUTED BY WIRE STRANDS SPIRALLY TWISTED ABOUT THE CORE, THE OUTER WIRE ELEMENTS BEING OF SUBSTANTIALLY CIRCULAR CROSS SECTION AND DEFINING CIRCUMFERENTIALLY SPACED AND RADIALLY EXTENDING THEREBETWEEN, THE GAPS WIDENING IN A RADICAL DIRECTION FROM A NARROW CENTER PORTION, AND A PLASTIC SHEATHING SURROUNDING THE LAYER OF OUTER WIRE ELEMENTS, THE PLASTIC SHEATHING HAVING PORTIONS EXTENDING THROUGH THE GAPS AND RADIALLY INWARDLY BEYOND THEIR NARROW PORTIONS, THE INWARDLY EXTENDING SHEATHING PORTIONS CONSTITUTING ANCHORS HOLDING THE SHEATHING ON THE OUTER WIRE ELEMENTS.
References Cited (Backward Citations)
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Cited
US2048450A
Cited
US2018230A
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Cited
US2028157A
Cited
US2900785A
Cited
US2900784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |