Patent US3044871A successfully refreshed from Google Patents.
US3044871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hardenable corrosion resistant stainless steel
Assignee: Cooper Alloy Corp
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Filing: 1960-04-13
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Granted: 1962-07-17
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Expires: 1980-04-13
Abstract
No abstract record available.
Inventors
- 👤 Norman S Mott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:20
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/40; C22C38/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A HIGHLY HARDENABLE CORROSION-RESISTANT STAINLESS STEEL ALLOY, SAID ALLOY COMPRISING NICKEL IN A RANGE OF FROM 25% TO 35%, MANGANESE IN A RANGE FROM 0.2% TO 4%, COPPER IN A RANGE OF FROM 1% TO 5%, CHROMIUM IN ARANGE OF FROM 1K% TO 30%, SILICON IN A RANGE OF FROM 0.2% TO 7% AND MOLYBDENUM IN A RANGE OF FROM 2% TO 20%, BUT WITH CHROMIUM, SILICON, AND MOLYBDENUM IN AMOUNTS AT OR GREATER THAN THE AMOUNTS WHICH HAVE A COMMON INTERSECTION WITHIN AND WHICH IF GREATER ALSO COME WITHIN THE SHADED AREA OF THE TERNARY DIAGRAM ON
Claim 2
Dependent Claim
98 words
A HIGHLY HARDENABLE CORROSION-RESISTANT STAINLESS STEEL ALLOY, SAID ALLOY COMPRISING NICKEL IN A RANGE OF FROM 25% TO 35%, MANGANESE IN A RANGE FROM 0.2% TO 4%, COPPER IN A RANGE OF FROM 1% TO 5%, CHROMIUM IN ARANGE OF FROM 1K% TO 30%, SILICON IN A RANGE OF FROM 0.2% TO 7% AND MOLYBDENUM IN A RANGE OF FROM 2% TO 20%, BUT WITH CHROMIUM, SILICON, AND MOLYBDENUM IN AMOUNTS AT OR GREATER THAN THE AMOUNTS WHICH HAVE A COMMON INTERSECTION WITHIN AND WHICH IF GREATER ALSO COME WITHIN THE SHADED AREA OF THE TERNARY DIAGRAM ON
References Cited (Backward Citations)
US2214128A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |