US3336784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of drawing wire rope
Assignee: Bridon Ropes Ltd
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Filing: 1964-11-16
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Granted: 1967-08-22
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Expires: 1984-11-16
Abstract
No abstract record available.
Inventors
- 👤 Campbell Robert Edward
- 👤 Longbottom Kenneth William
- 👤 Edward A Shipley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:20
CPC Classifications
D; D07; D07B; D07B5/00; D07B5/12; B; B21; B21C; B21C9/00; B21F; B21F7/00; C; C21; C21D; C21D8/00; C21D8/06; C21D9/00; C21D9/52; C21D9/525
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A METHOD OF TREATING A WIRE STRAND OR WIRE ROPE COMPRISING THE STEPS OF DRAWING THE STRAND OR ROPE THROUGH A REDUCING MEANS WHILE APPLYING A UNIFORM BACK TENSION THERETO AND SUBJECTING THE STRAND OR ROPE ON EMERGING FROM THE REDUCING MEANS AND WHILE STILL UNDER SAID BACK TENSION TO A HEAT TREATMENT STAGE.
Claim 2
Independent Claim
54 words
A METHOD OF TREATING A WIRE STRAND OR WIRE ROPE COMPRISING THE STEPS OF DRAWING THE STRAND OR ROPE THROUGH A REDUCING MEANS WHILE APPLYING A UNIFORM BACK TENSION THERETO AND SUBJECTING THE STRAND OR ROPE ON EMERGING FROM THE REDUCING MEANS AND WHILE STILL UNDER SAID BACK TENSION TO A HEAT TREATMENT STAGE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |