Patent US2819960A successfully refreshed from Google Patents.
US2819960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Formable acid resistant titanium alloys
Assignee: Rem Cru Titanium Inc
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Filing: 1956-11-15
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Granted: 1958-01-14
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Expires: 1976-11-15
Abstract
No abstract record available.
Inventors
- 👤 Howard B Bomberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:21
CPC Classifications
C; C22; C22C; C22C14/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A FORMABLE TITANIUM ALLOY, CHARACTERIZED BY A HIGH RESISTANCE TO CORROSION BY ACIDS OF THE REDUCING TYPE, CONTAINING ABOUT 20 TO 30% MOLYBDENUM, AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF ABOUT 1 TO 25% VANADIUM AND ABOUT 1 TO 30% COLUMBIUM, THE TOTAL AMOUNT OF VANADIUM AND COLUMBIUM NOT EXCEEDING 30%, AND THE BALANCE SUBSTANTIALLY TITANIUM.
Claim 2
Dependent Claim
59 words
A FORMABLE TITANIUM ALLOY, CHARACTERIZED BY A HIGH RESISTANCE TO CORROSION BY ACIDS OF THE REDUCING TYPE, CONTAINING ABOUT 20 TO 30% MOLYBDENUM, AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF ABOUT 1 TO 25% VANADIUM AND ABOUT 1 TO 30% COLUMBIUM, THE TOTAL AMOUNT OF VANADIUM AND COLUMBIUM NOT EXCEEDING 30%, AND THE BALANCE SUBSTANTIALLY TITANIUM.
References Cited (Backward Citations)
US2754203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-13 | 1961-07-15 | 1962-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-13 | 1965-07-15 | 1966-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-13 | 1969-07-15 | 1970-01-14 | $7700.00 | Window Closed / Lapsed |