Patent US3028236A successfully refreshed from Google Patents.
US3028236A
Expired / Lapsed
US
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Columbium base alloy
Assignee: Union Carbide Corp
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Filing: 1958-12-22
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Granted: 1962-04-03
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Expires: 1978-12-22
Abstract
No abstract record available.
Inventors
- 👤 Stanley T Wlodek
- 👤 Edward D Weisert
- 👤 Peter M Moanfeldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:10
CPC Classifications
C; C22; C22C; C22C27/00; C22C27/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
AN ALLOY CONSISTING ESSENTIALLY OF FROM 1 TO 25 WEIGHT PERCENT TITANIUM, 1 TO 15 WEIGHT PERCENT CHROMIUM, 1 TO 6 WEIGHT PERCENT ALUMINUM, 0.5 TO 6 WEIGHT PERCENT VANADIUM, UP TO 30 WEIGHT PERCENT IN THE AGGREGATE OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN AND TANTALUM, UP TO 5 WEIGHT PERCENT IN THE AGGREGATE OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF MANGANESE, NICKEL, COBALT, IRON, ZIRCONIUM, AND HAFNIUM, UP TO 3 WEIGHT PERCENT IN THE AGGREGATE OF AT LEAST ONE ALLOYING ELEMENT SELECTED FROM THE GROUP CONSISTING OF BARIUM, SILICON, BERYLLIUM, YTTRIU, BORON AND THE RARE EARTH METALS, THE REMAINDER BEING COLUMBIUM IN A MINIMUM AMOUNT OF AT LEAST 45 WEIGHT PERCENT.
Claim 2
Dependent Claim
122 words
AN ALLOY CONSISTING ESSENTIALLY OF FROM 1 TO 25 WEIGHT PERCENT TITANIUM, 1 TO 15 WEIGHT PERCENT CHROMIUM, 1 TO 6 WEIGHT PERCENT ALUMINUM, 0.5 TO 6 WEIGHT PERCENT VANADIUM, UP TO 30 WEIGHT PERCENT IN THE AGGREGATE OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN AND TANTALUM, UP TO 5 WEIGHT PERCENT IN THE AGGREGATE OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF MANGANESE, NICKEL, COBALT, IRON, ZIRCONIUM, AND HAFNIUM, UP TO 3 WEIGHT PERCENT IN THE AGGREGATE OF AT LEAST ONE ALLOYING ELEMENT SELECTED FROM THE GROUP CONSISTING OF BARIUM, SILICON, BERYLLIUM, YTTRIU, BORON AND THE RARE EARTH METALS, THE REMAINDER BEING COLUMBIUM IN A MINIMUM AMOUNT OF AT LEAST 45 WEIGHT PERCENT.
References Cited (Backward Citations)
US2822268A
Cited
US2838395A
Cited
US2838396A
Cited
US2883282A
Cited
US2882146A
Cited
US2860970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |