Patent US2867534A successfully refreshed from Google Patents.
US2867534A
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Titanium base alpha dispersoid alloys
Assignee: Crucible Steel Company of America
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Filing: 1957-01-23
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Granted: 1959-01-06
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Expires: 1977-01-23
Abstract
No abstract record available.
Inventors
- 👤 Robert I Jaffee
- 👤 Horace R Ogden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:43
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/16; C22F1/18; C22F1/183; C22C; C22C14/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN ALLOY CONSISTING ESSENTIALLY OF ABOUT: 0.5 TO 23% OF AT LEAST ONE ALPHA PROMOTER SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, TIN, ANTIMONY AND ZIRCONIUM, BUT NOT TO EXCEED 12% ALUMINUM AND 19% ANTIMONY, 0.5 TO 20% OF AT LEAST ONE ACTIVE EUTECTOID BETA PROMOTER SELECTED FROM THE GROUP CONSISTING OF COPPER, NICKEL, COBALT, SILICON AND BERYLLIUM, BUT NOT TO EXCEED 12% OF NICKEL AND COBALT, 3% OF SILICON AND 2% OF BERYLLIUM, BALANCE SUBSTANTIALLY TITANIUM, CHARACTERIZED IN BEING MATERIALLY HARDENED AND STRENGTHENED ON HEATING ABOVE THE CRITICAL TEMPERATURE, UNTIL A BETACONTAINING MICROSTRUCTURE IS OBTAINED AND THEREUPON RAPIDLY COOLING TO A TEMPERATURE SUBSTANTIALLY BELOW THE CRITICAL.
Claim 2
Dependent Claim
107 words
AN ALLOY CONSISTING ESSENTIALLY OF ABOUT: 0.5 TO 23% OF AT LEAST ONE ALPHA PROMOTER SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, TIN, ANTIMONY AND ZIRCONIUM, BUT NOT TO EXCEED 12% ALUMINUM AND 19% ANTIMONY, 0.5 TO 20% OF AT LEAST ONE ACTIVE EUTECTOID BETA PROMOTER SELECTED FROM THE GROUP CONSISTING OF COPPER, NICKEL, COBALT, SILICON AND BERYLLIUM, BUT NOT TO EXCEED 12% OF NICKEL AND COBALT, 3% OF SILICON AND 2% OF BERYLLIUM, BALANCE SUBSTANTIALLY TITANIUM, CHARACTERIZED IN BEING MATERIALLY HARDENED AND STRENGTHENED ON HEATING ABOVE THE CRITICAL TEMPERATURE, UNTIL A BETACONTAINING MICROSTRUCTURE IS OBTAINED AND THEREUPON RAPIDLY COOLING TO A TEMPERATURE SUBSTANTIALLY BELOW THE CRITICAL.
References Cited (Backward Citations)
US2622023A
Cited
US2669513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |