Patent US3225577A successfully refreshed from Google Patents.
US3225577A
Expired / Lapsed
US
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Rolling mill guides
Assignee: Fox Industries Inc
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Filing: 1964-04-01
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Granted: 1965-12-28
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Expires: 1984-04-01
Abstract
No abstract record available.
Inventors
- 👤 Roy R Sloan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:17
CPC Classifications
B; B21; B21B; B21B39/00; B21B39/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN A ROLLING MILL STRUCTURE HAVING A PAIR OF WORK ROLLS ONE ABOVE AND ONE BELOW A PATH OF STRIP TRAVEL, SAID ROLLS HAVING AN ENTRY AND AN EXIT END AND MEANS FOR MOVING EACH END OF SAID WORK ROLLS TOWARD AND AWAY FROM EACH OTHER, THE IMPROVEMENT COMPISING A PAIR OF PRESET VERTICALLY EXTENDING GUIDE MEMBERS ONE ON EACH SIDE OF AND PARALLEL TO SAID PATH OF STRIP TRAVEL AND SPACED FROM THE EXIT END OF SID ROLLS, SAID GUIDE HAVING AN EXIT AND AN ENTRY END, A PAIR OF HINGED GUIDES, ONE HINGED TO EACH OF THE PRESET GUIDES AT THE ENTRY END THEREOF NEAREST THE EXIT END OF THE ROLLS, AND EXTENDED TOWARD SAID ROLLS, MEANS RESILIENTLY URGING THE FREE END OF SAID HINGED GUIDES TOWARD THE PATH OF STRIP TRAVEL, A TOP GUIDE MEMBER ON EACH
Claim 2
Dependent Claim
140 words
IN A ROLLING MILL STRUCTURE HAVING A PAIR OF WORK ROLLS ONE ABOVE AND ONE BELOW A PATH OF STRIP TRAVEL, SAID ROLLS HAVING AN ENTRY AND AN EXIT END AND MEANS FOR MOVING EACH END OF SAID WORK ROLLS TOWARD AND AWAY FROM EACH OTHER, THE IMPROVEMENT COMPISING A PAIR OF PRESET VERTICALLY EXTENDING GUIDE MEMBERS ONE ON EACH SIDE OF AND PARALLEL TO SAID PATH OF STRIP TRAVEL AND SPACED FROM THE EXIT END OF SID ROLLS, SAID GUIDE HAVING AN EXIT AND AN ENTRY END, A PAIR OF HINGED GUIDES, ONE HINGED TO EACH OF THE PRESET GUIDES AT THE ENTRY END THEREOF NEAREST THE EXIT END OF THE ROLLS, AND EXTENDED TOWARD SAID ROLLS, MEANS RESILIENTLY URGING THE FREE END OF SAID HINGED GUIDES TOWARD THE PATH OF STRIP TRAVEL, A TOP GUIDE MEMBER ON EACH
References Cited (Backward Citations)
US672466A
Cited
US1406084A
Cited
US1814354A
Cited
US2014475A
Cited
US2226500A
Cited
US2211658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |