US3276864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Austenitic stainless steel resistant to stress-corrosion cracking
Assignee: United States Steel Corp
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Filing: 1962-12-03
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Granted: 1966-10-04
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Expires: 1982-12-03
Abstract
No abstract record available.
Inventors
- 👤 Alexei W Loginow
- 👤 Edson H Phelps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:52
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A PREDOMINATELY AUSTENTIC STAINLESS STEEL CONSISTING ESSENTIALLY OF: PERCENT CARBON 0.075 TO 0.1 MANGANESE 1.0 TO 2.0 PHOSPHORUS 0.04 MAXIMUM SULFUR 0.03 MAXIMUM SILICON 1.0 MAXIMUM NICKEL 7.0 TO 14. 0 CHROMIUM 17 TO 19 NITROGEN 0.015 MAXIMUM WITH THE BALANCE ESSENTIALLY IRON, SAID STEEL BEING CHARACTERIZED BY INHERENT RESISTANCE TO STRESS-CORROSION CRACKING.
Claim 2
Dependent Claim
53 words
A PREDOMINATELY AUSTENTIC STAINLESS STEEL CONSISTING ESSENTIALLY OF: PERCENT CARBON 0.075 TO 0.1 MANGANESE 1.0 TO 2.0 PHOSPHORUS 0.04 MAXIMUM SULFUR 0.03 MAXIMUM SILICON 1.0 MAXIMUM NICKEL 7.0 TO 14. 0 CHROMIUM 17 TO 19 NITROGEN 0.015 MAXIMUM WITH THE BALANCE ESSENTIALLY IRON, SAID STEEL BEING CHARACTERIZED BY INHERENT RESISTANCE TO STRESS-CORROSION CRACKING.
References Cited (Backward Citations)
US2150901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |