US3296017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of chemically bonding a metal to a ceramic
Assignee: North American Aviation Corp
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Filing: 1963-07-17
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Granted: 1967-01-03
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Expires: 1983-07-17
Abstract
No abstract record available.
Inventors
- 👤 Jack A Rubin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:06
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; B; B22; B22F; B22F7/00; B22F7/06; B22F7/08; C04B37/00; C04B37/02; C04B37/023; C04B37/026; C04B41/45; C04B41/50; C04B41/51; C22; C22C; C22C32/00; C04B2235/00; C04B2235/02; C04B2235/50; C04B2235/54; C04B2235/5418; C04B2235/5436; C04B2235/65; C04B2235/656; C04B2235/6567; C04B2235/658; C04B2235/6582; C04B2235/6586; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/122; C04B2237/123; C04B2237/126; C04B2237/50; C04B2237/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A METHOD OF CHEMICALLY BONDING A METAL TO A CERAMIC BODY WHICH COMPRISES FORMING A MIXTURE CONSISTING ESSENTIALLY OF POWDERS OF A TRANSITION METAL OXIDE AND A REFRACTORY METAL, FORMING A FLUID SUSPENSION OF THE POWDER MIXTURE, APPLYING THE RESULTING SUSPENSION ON THE CERAMIC BODY, AND FIRING THE COATED BODY AT AN ELEVATED TEMPERATURE IN A FLOWING, ANHYDROUS HYDROGEN ATMOSPHERE TO PROVIDE A UNIFORM METAL COATING ON SAID CERAMIC BODY.
Claim 2
Independent Claim
70 words
A METHOD OF CHEMICALLY BONDING A METAL TO A CERAMIC BODY WHICH COMPRISES FORMING A MIXTURE CONSISTING ESSENTIALLY OF POWDERS OF A TRANSITION METAL OXIDE AND A REFRACTORY METAL, FORMING A FLUID SUSPENSION OF THE POWDER MIXTURE, APPLYING THE RESULTING SUSPENSION ON THE CERAMIC BODY, AND FIRING THE COATED BODY AT AN ELEVATED TEMPERATURE IN A FLOWING, ANHYDROUS HYDROGEN ATMOSPHERE TO PROVIDE A UNIFORM METAL COATING ON SAID CERAMIC BODY.
References Cited (Backward Citations)
US3132044A
Cited
US3215555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |