US3055098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brazing dissimilar metals
Assignee: Westinghouse Electric Corp
•
Filing: 1956-10-22
•
Granted: 1962-09-25
•
Expires: 1976-10-22
Abstract
No abstract record available.
Inventors
- 👤 Walter V Bratkowski
- 👤 William H Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:43
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/06; H; H01; H01H; H01H1/00; H01H1/02; H01H1/021; H01H1/023; H01H1/0231; H01H11/00; H01H11/04; H01H11/041; H01H11/045; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10S428/9335; Y10S428/939; Y10S428/94
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A PROCESS FOR JOINING A CONTACT MEMBER OF A REFRACTORY SELECTED FROM THE GROUP CONSISTING OF (1) REFRACTORY METALS SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN, MOLYBDENUM, TANTALUM, THE PLATINUM GROUP METALS, THEIR BASE ALLOYS, AND CARBIDES THEREOF AND (2) MIXTURES OF SAID REFRACTORY METALS WITH ELECTRICALLY CONDUCTING METALS SELECTED FROM THE GROUP CONSISTING OF SILVER, COPPER, GOLD, TIN AND CADMIUM TO A SUPPORT MEM-
Claim 2
Dependent Claim
65 words
A PROCESS FOR JOINING A CONTACT MEMBER OF A REFRACTORY SELECTED FROM THE GROUP CONSISTING OF (1) REFRACTORY METALS SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN, MOLYBDENUM, TANTALUM, THE PLATINUM GROUP METALS, THEIR BASE ALLOYS, AND CARBIDES THEREOF AND (2) MIXTURES OF SAID REFRACTORY METALS WITH ELECTRICALLY CONDUCTING METALS SELECTED FROM THE GROUP CONSISTING OF SILVER, COPPER, GOLD, TIN AND CADMIUM TO A SUPPORT MEM-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |