Patent US3047382A successfully refreshed from Google Patents.
US3047382A
Expired / Lapsed
US
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Age hardening cobalt base alloy
Assignee: Universal Cyclops Steel Corp
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Filing: 1959-01-13
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Granted: 1962-07-31
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Expires: 1979-01-13
Abstract
No abstract record available.
Inventors
- 👤 Norman R Harpster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:28
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/07
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
63 words
AN AGE HARDENABLE COBALT BASE ALLOY CONSISTING ESSENTIALLY OF, BY WEIGHT ABOUT 12 TO 30 PERCENT OF CHROMIUM, 10 TO 30 PERCENT OF NICKEL, AT LEAST 0.10 PERCENT OF CARBON. UP TO 20 PERCENT OF IRON. 0.05 TO 0.40 PERCENT OF PHOSPHORUS AND THE REMAINDER COBALT TOGETHER WITH INCIDENTAL IMPURITIES AND ELEMENTS THAT DO NOT DELETERIOUSLY AFFECT THE CHARACTERISTICS OF THE RESULTING ALLOY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |