Patent US3171304A successfully refreshed from Google Patents.
US3171304A
Expired / Lapsed
US
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Rolling mills
Assignee: Davy Loewy Ltd
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Filing: 1962-07-16
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Granted: 1965-03-02
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Expires: 1982-07-16
Abstract
No abstract record available.
Inventors
- 👤 Sims Raymond Bernard
- 👤 Bloomfield Dennis George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:26
CPC Classifications
B; B21; B21B; B21B31/00; B21B31/02; B21B31/028; B21B31/08; B21B31/10; B21B31/106; B21B2203/00; B21B2203/36; B21B31/04; B21B31/16; B21B31/20; B21B31/22; B21B31/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A ROLLING MILL COMPRISING A HOUSING, AN UPPER AND A LOWER WORK ROLL, LOWER WORK ROLL CHOCKS FOR THE LOWER WORK ROLL, UPPER WORK ROLL CHOCKS FOR THE UPPER WORK ROLL, THE UPPER CHOCKS INTERFITTING WITH AND SUPPORTABLE BY THE LOWER CHOCKS SO THAT THE WORK ROLLS AND THEIR CHOCKS ARE REMOVABLE TOGETHER AS A UNIT, SURFACES ON THE HOUSING FOR SUPPORTING THE LOWER WORK ROLL CHOCKS
Claim 2
Dependent Claim
67 words
A ROLLING MILL COMPRISING A HOUSING, AN UPPER AND A LOWER WORK ROLL, LOWER WORK ROLL CHOCKS FOR THE LOWER WORK ROLL, UPPER WORK ROLL CHOCKS FOR THE UPPER WORK ROLL, THE UPPER CHOCKS INTERFITTING WITH AND SUPPORTABLE BY THE LOWER CHOCKS SO THAT THE WORK ROLLS AND THEIR CHOCKS ARE REMOVABLE TOGETHER AS A UNIT, SURFACES ON THE HOUSING FOR SUPPORTING THE LOWER WORK ROLL CHOCKS
References Cited (Backward Citations)
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Cited
US1776436A
Cited
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Cited
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Cited
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Cited
US2934969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |