US3209528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible wire rope core
Assignee: Armco Inc
•
Filing: 1963-04-26
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Granted: 1965-10-05
•
Expires: 1983-04-26
Abstract
No abstract record available.
Inventors
- 👤 Charles M Zerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:17
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/06; D07B1/0673; D07B1/0686; D07B2201/00; D07B2201/10; D07B2201/1028; D07B2201/1036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A WIRE ROPE CORE COMPRISING A CNTRAL MULTI-WIRE STRAND, AND INTERMEDIATE LAYER COMPRISING EIGHT ELEMENTS CLOSED AROUND SAID CENTRAL STRAND, AND A COVERING LAYER OF EIGHT MULTI-WIRE STRANDS CLOSED AROUND SAID INTERMEDIATE LAYER, SAID INTERMEDIATE AND COVERING LAYERS BEING CLOSED AROUND SAID CENTRAL STRAND SIMUTLANEOUSLY, WHEREBY THE STRANDS OF THE COVERING LAYER NESTLE IN THE VALLEYS BETWEEN THE STRANDS OF THE INTERMEDIATE LAYER FOR MAXIMUM SUPPORT.
Claim 2
Dependent Claim
66 words
A WIRE ROPE CORE COMPRISING A CNTRAL MULTI-WIRE STRAND, AND INTERMEDIATE LAYER COMPRISING EIGHT ELEMENTS CLOSED AROUND SAID CENTRAL STRAND, AND A COVERING LAYER OF EIGHT MULTI-WIRE STRANDS CLOSED AROUND SAID INTERMEDIATE LAYER, SAID INTERMEDIATE AND COVERING LAYERS BEING CLOSED AROUND SAID CENTRAL STRAND SIMUTLANEOUSLY, WHEREBY THE STRANDS OF THE COVERING LAYER NESTLE IN THE VALLEYS BETWEEN THE STRANDS OF THE INTERMEDIATE LAYER FOR MAXIMUM SUPPORT.
References Cited (Backward Citations)
US1260582A
Cited
US1888076A
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US2075996A
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DE767343C
Cited
FR885801A
Cited
US3018606A
Cited
US3018607A
Cited
US3092956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |