Patent US3166407A successfully refreshed from Google Patents.
US3166407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloy steel and cast roll made therefrom
Assignee: Huntington Alloys Corp
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Filing: 1962-12-18
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Granted: 1965-01-19
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Expires: 1982-12-18
Abstract
No abstract record available.
Inventors
- 👤 Roy J Knoth
- 👤 Norman A Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:13
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/40; C22C38/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A CAST STEEL PRIMARY BREAKDOWN ROLL MADE A CAST STEEL CONSISTING ESSENTIALLY OF ABOUT 0.55% TO ABOUT 0.65% CARBON, ABOUT 0.2% TO ABOUT 0.55% SILICON, ABOUT 0.3% TO ABOUT 0.7% MANGANESE, ABOUT 3.4% TO ABOUT 3.7% NICKEL, ABOUT 0.8% TO ABOUT 1% CHROMIUM, ABOUT 0.35% TO ABOUT 0.45% MOLYBDENUM, ABOUT 0.1% TO ABOUT 0.2% VANADIUM, AND THE BALANCE ESSENTIALLY IRON.
Claim 2
Dependent Claim
60 words
A CAST STEEL PRIMARY BREAKDOWN ROLL MADE A CAST STEEL CONSISTING ESSENTIALLY OF ABOUT 0.55% TO ABOUT 0.65% CARBON, ABOUT 0.2% TO ABOUT 0.55% SILICON, ABOUT 0.3% TO ABOUT 0.7% MANGANESE, ABOUT 3.4% TO ABOUT 3.7% NICKEL, ABOUT 0.8% TO ABOUT 1% CHROMIUM, ABOUT 0.35% TO ABOUT 0.45% MOLYBDENUM, ABOUT 0.1% TO ABOUT 0.2% VANADIUM, AND THE BALANCE ESSENTIALLY IRON.
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) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |