Patent US3764302A successfully refreshed from Google Patents.
US3764302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stainless steel
Assignee: Sandvik AB
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Filing: 1971-11-01
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Granted: 1973-10-09
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Expires: 1991-11-01
Abstract
Abstract AN AUSTENITIC STAINLESS STEEL HAVING EXCELLENT MACHINABILITY COUPLED WITH GOOD CORROSION-RESISTANCE HAS A COMPOSITION FALLING WITHIN THE FOLLOWING LIMITS, IN WEIGHTS PERCENTAGES: PERCENT C UP TO 0.1 CR 10-20 NI 10-15 MO 1-5 AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF S 0.1-0.9 AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF TI 0.2-1.5 PB 0.1-0.9 SE 0.1-0.9 TE 0.1-0.9 ZR 0.2-1.5 CU 0-4 SI UP TO 1 MN UP TO 2 FE (1) 1 BALANCE SAVE FOR NORMALLY PRESENT IMPURITIES.
Inventors
- 👤 L Troselius
- 👤 C Sparre
- 👤 R Kiessling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:55
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/40; C22C38/42; C22C38/001; C22C38/44; C22C38/50; C22C38/58
Claims Analysis
Total Claims: 0
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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) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |