US3156590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Age hardened titanium base alloys and production thereof
Assignee: CRUCIBLC STEEL Co OF AMER
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Filing: 1960-04-04
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Granted: 1964-11-10
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Expires: 1980-04-04
Abstract
No abstract record available.
Inventors
- 👤 Milton B Vordahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:07
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/16; C22F1/18; C22F1/183
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
35 words
A TITANIUM BASE ALLOY HAVING AN AGED ALPHA-PLUSBETA MICROSTRUCTURE CONSISTING AT LEAST IN PART OF ALPHA NUCLEI DISPOSED IN A BETA MATRIX AND FORMING THEREWITH INTERFACES WHICH ARE PREDOMINANTLY ORIENTED SUBSTANTIALLY PARALLEL TO ONE DIRECTION.
Claim 2
Dependent Claim
35 words
A TITANIUM BASE ALLOY HAVING AN AGED ALPHA-PLUSBETA MICROSTRUCTURE CONSISTING AT LEAST IN PART OF ALPHA NUCLEI DISPOSED IN A BETA MATRIX AND FORMING THEREWITH INTERFACES WHICH ARE PREDOMINANTLY ORIENTED SUBSTANTIALLY PARALLEL TO ONE DIRECTION.
Claim 3
Independent Claim
73 words
THE METHOD OF AGE HARDENING AN ARTICLE MADE OF A TITANIUM BASE ALLOY HAVING A BETA CONTAINING MICROSTRUCTURE FOR IMPARTING MAXIMUM STRENGTH IIN A GIVEN DIRECTION THEREOF, WHICH CONSISTS IN TENSIONING SAID ARTICLE IN SUBSTANTIALLY ONLY SAID DIRECTION THROUGHOUT ITS CROSSSECTIONAL AREA WITH A TENSION OF ABOUT 10,000 TO 20,000 P.S.I. AND AGING AT ELEVATED TEMPERATURE WHILE SO TENSIONED, THEREBY TO PRECIPITATE ALPHA NUCLEI PREDOMINANTLY ALONG PREFERRED INTERFACE PLANES PARALLEL TO SAID DIRECTION.
Claim 4
Independent Claim
73 words
THE METHOD OF AGE HARDENING AN ARTICLE MADE OF A TITANIUM BASE ALLOY HAVING A BETA CONTAINING MICROSTRUCTURE FOR IMPARTING MAXIMUM STRENGTH IIN A GIVEN DIRECTION THEREOF, WHICH CONSISTS IN TENSIONING SAID ARTICLE IN SUBSTANTIALLY ONLY SAID DIRECTION THROUGHOUT ITS CROSSSECTIONAL AREA WITH A TENSION OF ABOUT 10,000 TO 20,000 P.S.I. AND AGING AT ELEVATED TEMPERATURE WHILE SO TENSIONED, THEREBY TO PRECIPITATE ALPHA NUCLEI PREDOMINANTLY ALONG PREFERRED INTERFACE PLANES PARALLEL TO SAID DIRECTION.
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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |