US3037858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Columbium base alloy
Assignee: Union Carbide Corp
•
Filing: 1958-12-22
•
Granted: 1962-06-05
•
Expires: 1978-12-22
Abstract
No abstract record available.
Inventors
- 👤 Edward D Weisert
- 👤 Stanley T Wlodek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:14
CPC Classifications
C; C22; C22C; C22C27/00; C22C27/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
53 words
AN ALLOY CONSISTING ESSENTIALLY OF ABOUT 10 WEIGHT PERCENT TITANIUM, ABOUT 20 WEIGHT PERCENT IRON, ABOUT 15 WEIGHT PERCENT CHROMIUM, ABOUT .5 WEIGHT PERCENT IN THE AGGREGATE OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF BARIUM, BERYLLIUM, SILICON AND THE RARE EARTH METALS, THE BALANCE BEING COLUMBIUM AND INCIDENTAL IMPURITIES.
References Cited (Backward Citations)
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Cited
US2822268A
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Cited
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Cited
US2882146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |