Patent US1757834A successfully refreshed from Google Patents.
US2921875A
Expired / Lapsed
US
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Manufacture of molybdenum and alloys thereof
Assignee: Westinghouse Electric Corp
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Filing: 1953-11-12
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Granted: 1960-01-19
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Expires: 1973-11-12
Abstract
No abstract record available.
Inventors
- 👤 Randolph H Schnitzel
- 👤 George H Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:29
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/24; C; C22; C22B; C22B34/00; C22B34/30; C22B34/34; Y; Y10; Y10S; Y10S72/00; Y10S72/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
THE METHOD OF MANUFACTURING REFRACTORY METAL OF IMPROVED STRUCTURE FROM AN ARTICLE OF POWDERED PARTICLES HEREOF, PRESSED AND SINTERED, COMPRISING WORKING SAID ARTICLE TO ELONGATE IT, AND THEN WORKING SAID ARTICLE IN A DIRECTION ALONG ITS LONGITUDINAL AXIS TO PRODUCE A DIFFUSED PATTERN OF FIBROUS LAMINATIONS WITHIN SAID ARTICLE.
Claim 2
Independent Claim
49 words
THE METHOD OF MANUFACTURING REFRACTORY METAL OF IMPROVED STRUCTURE FROM AN ARTICLE OF POWDERED PARTICLES HEREOF, PRESSED AND SINTERED, COMPRISING WORKING SAID ARTICLE TO ELONGATE IT, AND THEN WORKING SAID ARTICLE IN A DIRECTION ALONG ITS LONGITUDINAL AXIS TO PRODUCE A DIFFUSED PATTERN OF FIBROUS LAMINATIONS WITHIN SAID ARTICLE.
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) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |