US3746582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing annealed stranded cable
Assignee: Southwire Co LLC
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Filing: 1971-08-26
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Granted: 1973-07-17
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Expires: 1991-08-26
Abstract
Abstract A METHOD OF CONTINUOUSLY ANNEALING STRANDED ELECTRICALLY CONDUCTIVE CABLE COMPRISING THE STEPS OF PASSING UNANNEALED STRANDED CABLE INTO AN ELECTRICAL RESISTANCE ANNEALER, ANNEALING THE STRANDED CABLE, COOLING THE STRANDED CABLE AND LUBRICATING THE STRANDED CABLE. HEAT FOR ANNEALING THE CABLE IS PRODUCED BY ELECTRICAL RESISTANCE BETWEEN THE CONTACT ROLLS OF THE ANNEALER AND THE CABLE. ANNEALING TEMPERATURES ARE CONTROLLED BY VARYING THE CURRENT TO THE CONTACT ROLLS OF THE ANNEALER.
Inventors
- 👤 B Gentry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:25
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/04; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/62; C22F1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |