US3083095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloy steel and method
Assignee: Armco Inc
•
Filing: 1960-06-28
•
Granted: 1963-03-26
•
Expires: 1980-06-28
Abstract
No abstract record available.
Inventors
- 👤 Tanczyn Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:40
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/40; C22C38/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A SINGLE-TREATMENT PRECIPITION-HARDENABLE CHROMIUM-NICKEL-MOLYBDENUM ALLOY STEEL ESSENTIALLY CONSISTING OF ABOUT 3.0% TO 14.0% CHROMIUM, 2.5% TO 6.5% NICKEL, 1.0% TO 5.0% COPPER, 4.0% TO 12.0% MOLYBDENUM, UP TO .75% COLUMBIUM, AND THE REMAINDER ESSENTIALLY IRON.
Claim 2
Dependent Claim
35 words
A SINGLE-TREATMENT PRECIPITION-HARDENABLE CHROMIUM-NICKEL-MOLYBDENUM ALLOY STEEL ESSENTIALLY CONSISTING OF ABOUT 3.0% TO 14.0% CHROMIUM, 2.5% TO 6.5% NICKEL, 1.0% TO 5.0% COPPER, 4.0% TO 12.0% MOLYBDENUM, UP TO .75% COLUMBIUM, AND THE REMAINDER ESSENTIALLY IRON.
References Cited (Backward Citations)
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Cited
US2532117A
Cited
US2528638A
Cited
US2687955A
Cited
US2797993A
Cited
US2850380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |