Patent US526490A successfully refreshed from Google Patents.
Patent US2804409A successfully refreshed from Google Patents.
US2804409A
Expired / Lapsed
US
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Heat treating titanium-base alloy products
Assignee: Titanium Metals Corp
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Filing: 1956-02-06
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Granted: 1957-08-27
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Expires: 1976-02-06
Abstract
No abstract record available.
Inventors
- 👤 Harold D Kessler
- 👤 Russell G Sherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:51
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/16; C22F1/18; C22F1/183
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A METHOD FOR SOLUTION HEATING A THIN SECTION PRODUCT COMPOSED OF AN ALLOY CONSISTING ESSENTIALLY OF ALUMINUM IN AMOUNT FROM ABOUT 0.5 TO ABOUT 8%, A BETA STABILIZER SELECTED FROM THE GROUP CONSISTING OF CHROMIUM, IRON, VANADIUM, MOLYBDENUM, MANGANESE AND COMBINATIONS THEREOF IN AMOUNT FROM ABOUT 2% TO ABOUT 10%, AND BALANCE TITANIUM WITH INCIDENTAL IMPURITIES, WHICH COMPRISES HEATING SAID PRODUCT FOR FROM ABOUT 15 SECONDS TO ABOUT 2 HOURS AT A TEMPERATURE ABOUT THAT AT WHICH SAID ALLOY SHOWS A MINIMUM POINT ON ITS YIELD STRENGTH, SOLUTION HEAT TREATING TEMPERATURE CURVE, AND RAPIDLY QUENCHING SAID PRODUCT FROM SAID TEMPERATURE THEREBY TO PROVIDE AS A CHARACTERISTIC THEREOF A YIELD STRENGTH TO TENSILE STRENGTH RATIO OF BETWEEN 0.25 AND 0.75.
Claim 2
Independent Claim
119 words
A METHOD FOR SOLUTION HEATING A THIN SECTION PRODUCT COMPOSED OF AN ALLOY CONSISTING ESSENTIALLY OF ALUMINUM IN AMOUNT FROM ABOUT 0.5 TO ABOUT 8%, A BETA STABILIZER SELECTED FROM THE GROUP CONSISTING OF CHROMIUM, IRON, VANADIUM, MOLYBDENUM, MANGANESE AND COMBINATIONS THEREOF IN AMOUNT FROM ABOUT 2% TO ABOUT 10%, AND BALANCE TITANIUM WITH INCIDENTAL IMPURITIES, WHICH COMPRISES HEATING SAID PRODUCT FOR FROM ABOUT 15 SECONDS TO ABOUT 2 HOURS AT A TEMPERATURE ABOUT THAT AT WHICH SAID ALLOY SHOWS A MINIMUM POINT ON ITS YIELD STRENGTH, SOLUTION HEAT TREATING TEMPERATURE CURVE, AND RAPIDLY QUENCHING SAID PRODUCT FROM SAID TEMPERATURE THEREBY TO PROVIDE AS A CHARACTERISTIC THEREOF A YIELD STRENGTH TO TENSILE STRENGTH RATIO OF BETWEEN 0.25 AND 0.75.
References Cited (Backward Citations)
FR1094616A
Cited
US2754204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |