US3217526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling mills roll change
Assignee: Davy Loewy Ltd
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Filing: 1963-01-15
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Granted: 1965-11-16
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Expires: 1983-01-15
Abstract
No abstract record available.
Inventors
- 👤 Wilson William Gordon
- 👤 Allison Frederick Graham
- 👤 Carroll Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:11
CPC Classifications
B; B21; B21B; B21B31/00; B21B31/08; B21B31/10; B21B31/103; B21B13/00; B21B13/08; B21B13/10; B21B2013/106; B21B35/00; B21B2035/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A MOBILE ROLL-CHANGE UNIT FOR A UNIVERSAL BEAM MILL HAVING AN UPPER DECK, AND A LOWER DECK ARRANGED TO RECEIVED THE UPPER AND THE LOWER ROLLS RESPECTIVELY OF A PAIR OF HORIZONTAL ROLLS OF THE MILL, AND SEPARATE PLATFORM ADAPTED TO RECEIVE A PAIR OF VERTICAL ROLLS OF THE MILL, AND TO TRANSPORT THEM BETWEEN THE MILL AND A ROLL SHOP.
Claim 2
Dependent Claim
61 words
A MOBILE ROLL-CHANGE UNIT FOR A UNIVERSAL BEAM MILL HAVING AN UPPER DECK, AND A LOWER DECK ARRANGED TO RECEIVED THE UPPER AND THE LOWER ROLLS RESPECTIVELY OF A PAIR OF HORIZONTAL ROLLS OF THE MILL, AND SEPARATE PLATFORM ADAPTED TO RECEIVE A PAIR OF VERTICAL ROLLS OF THE MILL, AND TO TRANSPORT THEM BETWEEN THE MILL AND A ROLL SHOP.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |