US3147155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot-working process
Assignee: Huntington Alloys Corp
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Filing: 1962-07-31
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Granted: 1964-09-01
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Expires: 1982-07-31
Abstract
No abstract record available.
Inventors
- 👤 William S Lamb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:36
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/056
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A PROCESS OF HOT WORKING AN AGE-HARDENABLE NICKELCHROMIUM ALLOY HAIVNG A TOTAL ALUMINUM AND TITANIUM CONTENT FROM ABOUT 7.75% TO ABOUT 9,5% AND WHICH CONSISTS ESSENTIALLY OF ABOUT 14% TO ABOUT 16% CHROMIUM, ABOUT 14% TO ABOUT 25% COBALT, ABOUT 3% TO ABOUT 5.5% MOLYBDENUM, ABOUT 3% TO ABOUT 4.6% TITANIUM, ABOUT 4% TO ABOUT 5.4% ALUMINUM, ABOUT 0.01% TO ABOUT 0.2% CARBON, ABOUT 0.01% TO ABOUT 0.2% ZIRCONIUM, AND ABOUT 0.003% TO ABOUT 0.1% BORON, THE BALANCE, APART FROM IMPURITIES, BEING NICKEL, SAID ALLOY BEING SUCH THAT THE SOLUBLIITY TGEMPERATURE OF THE $'' PHASE IS HIGHER THAN THAT OF THE CARBDE PHASE, COMPRISING THE STEPS OF SOLUTION HEATING THE ALLOY AT A TEMPERATURE ABOVE THE SOLUBILITY TEMPERATURE OF THE $'' PHASE, COOLING IT TO A TEMPERATURE IN THE RANGE BETWEEN THE SOLUBILITY TEMPERATURE OF THE $'' PHASE AND THAT OF THE CARBIDE PAHSE, MAINTAINING IT WITHIN THIS TEMPERATURE RANGE UNTIL A PRECIPITATE OF $'' PHASE HAS FORMED AT THE GRAIN BOUNDARIES, AND THEN HOT WORKING IT.
Claim 2
Dependent Claim
167 words
A PROCESS OF HOT WORKING AN AGE-HARDENABLE NICKELCHROMIUM ALLOY HAIVNG A TOTAL ALUMINUM AND TITANIUM CONTENT FROM ABOUT 7.75% TO ABOUT 9,5% AND WHICH CONSISTS ESSENTIALLY OF ABOUT 14% TO ABOUT 16% CHROMIUM, ABOUT 14% TO ABOUT 25% COBALT, ABOUT 3% TO ABOUT 5.5% MOLYBDENUM, ABOUT 3% TO ABOUT 4.6% TITANIUM, ABOUT 4% TO ABOUT 5.4% ALUMINUM, ABOUT 0.01% TO ABOUT 0.2% CARBON, ABOUT 0.01% TO ABOUT 0.2% ZIRCONIUM, AND ABOUT 0.003% TO ABOUT 0.1% BORON, THE BALANCE, APART FROM IMPURITIES, BEING NICKEL, SAID ALLOY BEING SUCH THAT THE SOLUBLIITY TGEMPERATURE OF THE $'' PHASE IS HIGHER THAN THAT OF THE CARBDE PHASE, COMPRISING THE STEPS OF SOLUTION HEATING THE ALLOY AT A TEMPERATURE ABOVE THE SOLUBILITY TEMPERATURE OF THE $'' PHASE, COOLING IT TO A TEMPERATURE IN THE RANGE BETWEEN THE SOLUBILITY TEMPERATURE OF THE $'' PHASE AND THAT OF THE CARBIDE PAHSE, MAINTAINING IT WITHIN THIS TEMPERATURE RANGE UNTIL A PRECIPITATE OF $'' PHASE HAS FORMED AT THE GRAIN BOUNDARIES, AND THEN HOT WORKING IT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |