US2955034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Austenitic alloy steel
Assignee: Union Carbide Corp
•
Filing: 1958-12-12
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Granted: 1960-10-04
•
Expires: 1978-12-12
Abstract
No abstract record available.
Inventors
- 👤 Korchynsky Michael
- 👤 Crafts Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:13
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/40; C22C38/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
AN AUSTENTIC STEEL ALLOY SUITABLE FOR USE IN A WROUGHT AND CAST CONDITION, SAID ALLOY POSSESSING SUPERIOR STRESS RESISTANCE PROPERTIES IN EXTENDED SERVICE AT TEMPERATURES ON THE ORDER OF 1400*F., SAID ALLOY CONSISTING ESSENTIALLY OF, BY WEIGHT PERCENT, 12 TO 25 CHROMIUM, 10 TO 20 MANGANESE, 4 TO 18 NICKEL, 2 TO 6 MOLYBDENUM, 1 TO 4 TUNGSTEN, 0.1 TO 0.6 NITROGEN, UP TO 0.6 CARBON, AND THE BALANCE IRON WITH INCIDENTAL IMPURITIES, WHEREIN THE RELATIONSHIP OF THE CONSTITUTENT ELEMENTS IN SAID ALLOY MUST SATISFY THE FOLLOWING EQUATION:
Claim 2
Dependent Claim
88 words
AN AUSTENTIC STEEL ALLOY SUITABLE FOR USE IN A WROUGHT AND CAST CONDITION, SAID ALLOY POSSESSING SUPERIOR STRESS RESISTANCE PROPERTIES IN EXTENDED SERVICE AT TEMPERATURES ON THE ORDER OF 1400*F., SAID ALLOY CONSISTING ESSENTIALLY OF, BY WEIGHT PERCENT, 12 TO 25 CHROMIUM, 10 TO 20 MANGANESE, 4 TO 18 NICKEL, 2 TO 6 MOLYBDENUM, 1 TO 4 TUNGSTEN, 0.1 TO 0.6 NITROGEN, UP TO 0.6 CARBON, AND THE BALANCE IRON WITH INCIDENTAL IMPURITIES, WHEREIN THE RELATIONSHIP OF THE CONSTITUTENT ELEMENTS IN SAID ALLOY MUST SATISFY THE FOLLOWING EQUATION:
References Cited (Backward Citations)
US2009974A
Cited
US2671726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |