Patent US2644781A successfully refreshed from Google Patents.
Patent US2874453A successfully refreshed from Google Patents.
US2874453A
Expired / Lapsed
US
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Applying metal coatings to molybdenum
Assignee: Westinghouse Electric Corp
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Filing: 1956-11-02
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Granted: 1959-02-24
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Expires: 1976-11-02
Abstract
No abstract record available.
Inventors
- 👤 Ezekiel F Losco
- 👤 James H Bechtold
- 👤 John P Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:47
CPC Classifications
H; H10; H10W; H10W72/00; H10W72/30; B; B23; B23K; B23K20/00; B23K20/22; B23K20/233; B32; B32B; B32B15/00; B32B15/01; H10W72/071; H10W72/073; H10W72/07331; H10W72/07336; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/925; Y10S428/926; Y10S428/9265; Y10S428/929; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/938; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12833; Y10T428/12847; Y10T428/12854; Y10T428/12861; Y10T428/12875; Y10T428/12882; Y10T428/12903; Y10T428/12917; Y10T428/12937
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
3. A UNIATARY WROUGHT MEMBER COMPRISING A BODY OF A MOLYBDENUM BASE ALLOY A LAYER ON AT LEAST ONE SURFACE OF SAID BODY OF FROM ABOUT 1 MIL TO 10 MILS IN THICKNESS OF A METAL THAT IS THOROUGHLY AND UNIFORMLY WETTED BY SOLDER AND BRAZING METALS AND UNIFORMLY THERMAL COEFFICIENT OF EXPANSIN OF FROM BETWEENL, 3.8X10-6 AND 5.0X10-5INCH PER INCH PER DEGREE CENTIGRADE, SAID LAYER BEING COMPOSED OF FROM 10% TO 25% BY WEIGHT OF COBALT, FROM 33% TO 22% BY WEIGHT OF NICKEL, FROM 0% TO 10% BY WEIGHT OF CHROMIUM, AND THE BALANCE BEING IRON EXCEPT FOR INCIDENTAL ADDITIONS, THE BODY AND LAYER BEING UNITED INTO A UNITARY MEMBER BY HOT ROLLING WHICH EFFECTS A REDUCTION OF AT LEAST 30% IN CROSS-SECTIONAL AREA.
Claim 2
Dependent Claim
126 words
3. A UNIATARY WROUGHT MEMBER COMPRISING A BODY OF A MOLYBDENUM BASE ALLOY A LAYER ON AT LEAST ONE SURFACE OF SAID BODY OF FROM ABOUT 1 MIL TO 10 MILS IN THICKNESS OF A METAL THAT IS THOROUGHLY AND UNIFORMLY WETTED BY SOLDER AND BRAZING METALS AND UNIFORMLY THERMAL COEFFICIENT OF EXPANSIN OF FROM BETWEENL, 3.8X10-6 AND 5.0X10-5INCH PER INCH PER DEGREE CENTIGRADE, SAID LAYER BEING COMPOSED OF FROM 10% TO 25% BY WEIGHT OF COBALT, FROM 33% TO 22% BY WEIGHT OF NICKEL, FROM 0% TO 10% BY WEIGHT OF CHROMIUM, AND THE BALANCE BEING IRON EXCEPT FOR INCIDENTAL ADDITIONS, THE BODY AND LAYER BEING UNITED INTO A UNITARY MEMBER BY HOT ROLLING WHICH EFFECTS A REDUCTION OF AT LEAST 30% IN CROSS-SECTIONAL AREA.
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) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |