US3587268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Workpiece temperature equalization in rolling of steel
Assignee: Andritz Metals Inc
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Filing: 1968-09-17
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Granted: 1971-06-28
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Expires: 1988-09-17
Abstract
Abstract THIS PATENT DISCLOSES PROVIDING A HOT-STRIP ROLLING MILL, AT THE HOLDING TABLE PRECEDING THE FINISHING TRAIN, WHICH TEMPERATURE-SENSING MEANS AND FAST-ACTING ELECTRIC-INDUCTION HEATING MEANS RESPONSIVE THERETO FOR ELIMINATING COLD SPOTS IN THE WORKPIECE TO PERMIT IT TO BE PROCESSED THROUGH THE FINDING TRAIN.
Inventors
- 👤 Francis H Bricmont
- 👤 Ervin R Pritchett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:22
CPC Classifications
B; B21; B21B; B21B45/00; B21B45/004; B21B37/00; B21B37/74; C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/60; B21B1/00; B21B1/22; B21B1/24; B21B1/26; Y; Y02; Y02P; Y02P10/00; Y02P10/25
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |