US3318082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastics impregnated rope
Assignee: MacWhyte Co
•
Filing: 1964-06-15
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Granted: 1967-05-09
•
Expires: 1984-06-15
Abstract
No abstract record available.
Inventors
- 👤 Riggs Peter Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:32
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/06; D07B1/0673; D07B1/068; D07B1/0686; D07B1/16; D07B2201/00; D07B2201/20; D07B2201/2015; D07B2201/2036; D07B2201/2037; D07B2201/2047; D07B2201/2052; D07B2201/2059; D07B2201/2061; D07B2401/00; D07B2401/20; D07B2401/208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A MULTI-STRANDED PLASTICS IMPREGNATED WIRE ROPE, WHEREIN THE STRANDS ARE TWISTED ABOUT A CORE FORMED BY AN IDENTICAL SUCH STRAND, EACH STRAND COMPRISING A PLURALITY OF OUTSIDE WIRES OF EQUAL DIAMETER AND ONE OUTSIDE WIRE OF LARGER DIAMETER, ALL SUCH WIRES BEING INTENTIONALLY SPACED APART FROM EACH OTHER OVER AT LEAST PORTIONS OF THEIR LENGTH AND TWISTED ABOUT A KING WIRE.
Claim 2
Dependent Claim
57 words
A STRAND FOR A ROPE, COMPRISING AN OUTER LAY OF TWISTED WIRES, WHEREIN MOST OF SAID TWISTED WIRES ARE OF SUBSTANTIALLY EQUAL DIAMETER AND, AS VIEWED IN CROSSSECTION, ARE IN TANGENTIAL CONTACT WITH A COMMON IMAGINARY ENVELOPING CIRCLE, BUT WHEREIN AT LEAST ONE OF SAID TWISTED WIRES IS OR LARGER DIAMETER AND PROJECTS BEYOUND SAID ENVELOPING CIRCLE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |