US2667435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low temperature fabrication of molybdenum and alloys thereof
Assignee: Westinghouse Electric Corp
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Filing: 1951-09-21
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Granted: 1954-01-26
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Expires: 1971-09-21
Abstract
No abstract record available.
Inventors
- 👤 John W Marden
- 👤 Stuart V Cuthbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:31
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/04; C22C1/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
THE METHOD OF MANUFACTURING DUCTILE METAL FROM A PRESSED AND SINTERED ARTICLE OF POWDERED PARTICLES OF THE GROUP CONSISTING OF MOLYBDENUM AND ALLOYS THEREOF WITH SMALL PROPORTIONS OF METAL OF THE GROUP CONSISTING OF COBALT, NICKEL, IRON AND TUNGSTEN, COMPRISING COMPRESSING THE ARTICLE AT ROOM TEMPERATURE AT A RATE OF SPEED OF NOT MORE THAN 1/2" PER MINUTE UNTIL DEFORMED NOT LESS THAN ABOUT ONE-THIRD, HEATING TO A STRESS-RELIEVING TEMPERATURE BETWEEN ABOUT 1100* C. AND 1220* C., AND FINALLY ALLOWING SIAD ARTICLE TO COOL FROM THAT TEMPERATURE TO ONE NOT HIGHER THAN 200* C. IN A LENGTH OF TIME NOT SHORTER THAN 24 HOURS.
Claim 2
Independent Claim
104 words
THE METHOD OF MANUFACTURING DUCTILE METAL FROM A PRESSED AND SINTERED ARTICLE OF POWDERED PARTICLES OF THE GROUP CONSISTING OF MOLYBDENUM AND ALLOYS THEREOF WITH SMALL PROPORTIONS OF METAL OF THE GROUP CONSISTING OF COBALT, NICKEL, IRON AND TUNGSTEN, COMPRISING COMPRESSING THE ARTICLE AT ROOM TEMPERATURE AT A RATE OF SPEED OF NOT MORE THAN 1/2" PER MINUTE UNTIL DEFORMED NOT LESS THAN ABOUT ONE-THIRD, HEATING TO A STRESS-RELIEVING TEMPERATURE BETWEEN ABOUT 1100* C. AND 1220* C., AND FINALLY ALLOWING SIAD ARTICLE TO COOL FROM THAT TEMPERATURE TO ONE NOT HIGHER THAN 200* C. IN A LENGTH OF TIME NOT SHORTER THAN 24 HOURS.
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) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |