Patent US3132044A successfully refreshed from Google Patents.
US3132044A
Expired / Lapsed
US
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Metalized ceramic for bonding to metals
Assignee: Varian Medical Systems Inc
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Filing: 1957-11-19
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Granted: 1964-05-05
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Expires: 1977-11-19
Abstract
No abstract record available.
Inventors
- 👤 Cortland S Pearsall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:53
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/632; C04B35/636; C04B35/6365; C04B37/00; C04B37/02; C04B37/023; C04B37/026; C04B41/45; C04B41/50; C04B41/51; C04B41/5105; C04B41/5133; C04B41/5144; C04B41/80; C04B41/81; C04B41/85; C04B41/88; C22; C22C; C22C32/00; C22C32/001; C22C32/0015; C04B2235/00; C04B2235/65; C04B2235/656; C04B2235/6562; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/122; C04B2237/123; C04B2237/124; C04B2237/126; C04B2237/30; C04B2237/32; C04B2237/40; C04B2237/408; C04B2237/50; C04B2237/72; C04B2237/86; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31536
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METALIZED CERAMIC FOR BONDING TO METALS AND ALLOYS INCLUDING, A CERAMIC MEMBER, A METALIZED MIXTURE FORMING A LAYER TENACIOUSLY ADHERING TO THE CERAMIC MEMBER, SAID METALIZED MIXTURE CONSISTING OF 70 TO 80% BY WEIGHT OF METAL SELECTED FROM THE GROUP OF MOLYBDENUM, TUNGSTEN, RHENIUM AND IRON WITH 20 TO 30% BY WEIGHT OF METAL OXIDE SELECTED FROM THE GROUP OF CHROMIUM OXIDE AND COLUMBIUM OXIDE, SAID METALIZING MIXTURE BEING INTERMINGLED WITH THE CERAMIC MEMBER WHERBY AN INSEPARABLE ADHERING METAL COATING IS FORMED THEREON.
Claim 2
Dependent Claim
84 words
A METALIZED CERAMIC FOR BONDING TO METALS AND ALLOYS INCLUDING, A CERAMIC MEMBER, A METALIZED MIXTURE FORMING A LAYER TENACIOUSLY ADHERING TO THE CERAMIC MEMBER, SAID METALIZED MIXTURE CONSISTING OF 70 TO 80% BY WEIGHT OF METAL SELECTED FROM THE GROUP OF MOLYBDENUM, TUNGSTEN, RHENIUM AND IRON WITH 20 TO 30% BY WEIGHT OF METAL OXIDE SELECTED FROM THE GROUP OF CHROMIUM OXIDE AND COLUMBIUM OXIDE, SAID METALIZING MIXTURE BEING INTERMINGLED WITH THE CERAMIC MEMBER WHERBY AN INSEPARABLE ADHERING METAL COATING IS FORMED THEREON.
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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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |