Patent US3203084A successfully refreshed from Google Patents.
US3203084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding of metals to ceramic materials
Assignee: International Standard Electric Corp
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Filing: 1961-09-25
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Granted: 1965-08-31
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Expires: 1981-09-25
Abstract
No abstract record available.
Inventors
- 👤 Best Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:32
CPC Classifications
C; C04; C04B; C04B37/00; C04B37/02; C04B37/023; C04B37/026; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/632; C04B35/636; C04B35/6365; C04B37/025; C04B2235/00; C04B2235/65; C04B2235/656; C04B2235/6567; C04B2235/658; C04B2235/6582; C04B2237/00; C04B2237/02; C04B2237/04; C04B2237/06; C04B2237/068; C04B2237/09; C04B2237/12; C04B2237/124; C04B2237/126; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/341; C04B2237/343; C04B2237/40; C04B2237/405; C04B2237/50; C04B2237/62; C04B2237/64; C04B2237/72; C04B2237/76; C04B2237/80; C04B2237/84
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A METHOD OF BONDING A METAL MEMBER TO A CERAMIC MEMBER COMPRISING THE STEPS OF FORMING A SUSPENSION OF A MIXTURE OF A METALLIC OXIDE SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM OXIDE AND TUNGSTEN OXIDE WITH A FURTHER METALLIC OXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF IRON, COBALT, NICKEL AND COPPER IN AN ORGANIC BINDER, APPLYING THE SUSPENSION TO FORM A COATING ON THE CERAMIC SURFACE TO BE BONDED, PLACING THE METAL MEMBER IN JUXTAPOSITION TO THE COATING WITH A BRAZING METAL IN BETWEEN, SAID BRAZING METAL BEING SELECTED FROM THE GROUP CONSISTING OF COPPER, COPPER-NICKEL, COPPER-SILVER, COPPER-GOLD AND COPPER-SILVER-PALLADIUM, AND FIRING THE ASSEMBLAGE IN A PREDETERMINED HEATING SCHEDULE IN A HYDROGEN ATMOSPHERE TO REDUCE THE OXIDE TO METAL AND JOIN THE METAL AND CERAMIC MEMBERS, THE FURTHER METALLIC OXIDE BEING SUCH AS TO INCREASE THE WETTABILITY OF THE REDUCED METAL BY THE BRAZING METAL.
Claim 2
Independent Claim
149 words
A METHOD OF BONDING A METAL MEMBER TO A CERAMIC MEMBER COMPRISING THE STEPS OF FORMING A SUSPENSION OF A MIXTURE OF A METALLIC OXIDE SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM OXIDE AND TUNGSTEN OXIDE WITH A FURTHER METALLIC OXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF IRON, COBALT, NICKEL AND COPPER IN AN ORGANIC BINDER, APPLYING THE SUSPENSION TO FORM A COATING ON THE CERAMIC SURFACE TO BE BONDED, PLACING THE METAL MEMBER IN JUXTAPOSITION TO THE COATING WITH A BRAZING METAL IN BETWEEN, SAID BRAZING METAL BEING SELECTED FROM THE GROUP CONSISTING OF COPPER, COPPER-NICKEL, COPPER-SILVER, COPPER-GOLD AND COPPER-SILVER-PALLADIUM, AND FIRING THE ASSEMBLAGE IN A PREDETERMINED HEATING SCHEDULE IN A HYDROGEN ATMOSPHERE TO REDUCE THE OXIDE TO METAL AND JOIN THE METAL AND CERAMIC MEMBERS, THE FURTHER METALLIC OXIDE BEING SUCH AS TO INCREASE THE WETTABILITY OF THE REDUCED METAL BY THE BRAZING METAL.
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |