US3214833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic to metal bonding process
Assignee: Individual
•
Filing: 1962-09-25
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Granted: 1965-11-02
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Expires: 1982-09-25
Abstract
No abstract record available.
Inventors
- 👤 George F Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:43
CPC Classifications
C; C04; C04B; C04B37/00; C04B37/02; C04B37/023; C04B37/026; C04B2235/00; C04B2235/65; C04B2235/656; C04B2235/6567; C04B2235/658; C04B2235/6581; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/122; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/40; C04B2237/403; C04B2237/50; C04B2237/70; C04B2237/708; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12611; Y10T428/12771; Y10T428/12806; Y10T428/12812; Y10T428/12819
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PROCESS FOR BONDING BERYLLIA CERAMIC TO A REFRACTORY METAL SELECTED FROM THE CLASS CONSISTING OF TANTALUM AND NIOBIUM, COMPRISING INSERTING AN INTERFACE FOIL CONSISTING OF TITANIUM, OF BETWEEN ABOUT 3 TO 10 MILS THICKNESS BETWEEN THE BERYLLIA CERAMIC AND THE SAID REFRACTORY METAL, HEATING THIS STACKED ARRANGEMENT IN A VACUUM TO A TEMPERATURE BETWEEN ABOUT 50-75*C. BELOW THE MELTING POINT OF SAID INTERFACE FOIL AND COOLING THE BONDED ARTICLE.
Claim 2
Dependent Claim
70 words
A PROCESS FOR BONDING BERYLLIA CERAMIC TO A REFRACTORY METAL SELECTED FROM THE CLASS CONSISTING OF TANTALUM AND NIOBIUM, COMPRISING INSERTING AN INTERFACE FOIL CONSISTING OF TITANIUM, OF BETWEEN ABOUT 3 TO 10 MILS THICKNESS BETWEEN THE BERYLLIA CERAMIC AND THE SAID REFRACTORY METAL, HEATING THIS STACKED ARRANGEMENT IN A VACUUM TO A TEMPERATURE BETWEEN ABOUT 50-75*C. BELOW THE MELTING POINT OF SAID INTERFACE FOIL AND COOLING THE BONDED ARTICLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |