Patent US3573118A successfully refreshed from Google Patents.
US3573118A
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US
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Methods and apparatus for handling wire rod
Assignee: Friedrich Kocks GmbH and Co
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Filing: 1969-03-28
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Granted: 1971-03-30
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Expires: 1989-03-28
Abstract
Abstract A METHOD AND APPARATUS ARE PROVIDED FOR CONTROLLED COOLING OF WIRE ROD FROM A HOT ROLLING MILL TO PROVIDE GRAIN STRUCTURE SUITABLE FOR SUBSEQUENT DRAWING BY THE STEPS OF COOLING SAID ROD TO A TEMPERATURE BETWEEN 930* F. AND 1110*F. ON A COOLING LINE AND HOLDING SAID COOLED ROD ON A PREHEATED REEL AT ABOUT 930*F. UNTIL THE TEMPERATURE OF THE ROD HAS STABILIZED. D R A W I N G
Inventors
- 👤 Friedrich Kocks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:04
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/573; C21D9/5732; C21D9/525
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) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |