US2771969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for joining metallic and ceramic members
Assignee: Gulton Industries Inc
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Filing: 1952-11-26
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Granted: 1956-11-27
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Expires: 1972-11-26
Abstract
No abstract record available.
Inventors
- 👤 James M Brownlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:59
CPC Classifications
C; C04; C04B; C04B37/00; C04B37/02; C04B37/023; C04B37/025; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/632; C04B35/6325; C04B35/634; C04B35/63404; C04B35/63424; C04B35/63492; C04B35/636; C04B35/6365; C04B37/026; C04B2237/00; C04B2237/02; C04B2237/10; C04B2237/12; C04B2237/125; C04B2237/126; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/341; C04B2237/345; C04B2237/346; C04B2237/40; C04B2237/405; C04B2237/406; C04B2237/407; C04B2237/408; C04B2237/50; C04B2237/72; C04B2237/76; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49021; Y10T29/49032; Y10T29/49055; Y10T29/49069; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12049; Y10T428/12056; Y10T428/12063; Y10T428/12104; Y10T428/12111; Y10T428/12493; Y10T428/12535; Y10T428/12611; Y10T428/12618
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
43 words
A JOINED ASSEMBLY COMPRISING A METALLIC MEMBER FIRMLY PHYSICALLY BONDED AND ELECTRICALLY CONDUCTIVELY JOINED TO A CERAMIC MEMBER SOLELY BY A BONDING LAYER CONSISTING ESSENTIALLY OF SOLID GLASS WITH FINELY DIVIDED SILVER DISPERSED THEREIN AND FIRMLY BONDED TO THE METALLIC AND CERAMIC MEMBERS.
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) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |