US2767602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cluster type edge rolling mill
Assignee: United States Steel Corp
•
Filing: 1952-03-13
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Granted: 1956-10-23
•
Expires: 1972-03-13
Abstract
No abstract record available.
Inventors
- 👤 John A Henrickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:32
CPC Classifications
B; B21; B21B; B21B13/00; B21B13/06; B21B1/00; B21B1/22; B21B1/224; B21B13/14; B21B13/147; B21B31/00; B21B31/16; B21B31/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US287008A
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US352521A
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US1009937A
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US1537240A
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US1910148A
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US1981078A
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US1971982A
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US2047509A
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US2010211A
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US2195502A
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US2353289A
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US2353290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |