Patent US3254189A successfully refreshed from Google Patents.
US3254189A
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Electrical contact members having a plurality of refractory metal fibers embedded therein
Assignee: Westinghouse Electric Corp
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Filing: 1961-05-15
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Granted: 1966-05-31
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Expires: 1981-05-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph Evanicsko
- 👤 Deibel Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:14
CPC Classifications
C; C22; C22C; C22C49/00; H; H01; H01H; H01H1/00; H01H1/02; H01H1/021; H01H1/023; H01H11/00; H01H11/04; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10T; Y10T29/00; Y10T29/49; Y10T29/49801; Y10T428/00; Y10T428/12; Y10T428/12486
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
AN ELECTRICAL CONTACT MEMBER HAVING A CONTACT SURFACE AND COMPRISING A COMPOSITE METALLIC BODY COMPRISING A PLURALITY OF REFRACTORY METAL FIBERS, SAID PLURALITY OF FIBERS BEING EMBEDDED IN A MTARIX OF METAL OF GOOD CONDUCTIVITY, AND SAID FIBERS HAVING A RANDOM DISTRIBUTION AT SAID CONTACT SURFACE.
Claim 2
Dependent Claim
46 words
AN ELECTRICAL CONTACT MEMBER HAVING A CONTACT SURFACE AND COMPRISING A COMPOSITE METALLIC BODY COMPRISING A PLURALITY OF REFRACTORY METAL FIBERS, SAID PLURALITY OF FIBERS BEING EMBEDDED IN A MTARIX OF METAL OF GOOD CONDUCTIVITY, AND SAID FIBERS HAVING A RANDOM DISTRIBUTION AT SAID CONTACT SURFACE.
References Cited (Backward Citations)
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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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |