US3236610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonded metal-ceramic elements
Assignee: English Electric Co Ltd
•
Filing: 1962-03-05
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Granted: 1966-02-22
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Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 Mcmillan Peter William
- 👤 Hodgson Brian Purdam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:45
CPC Classifications
C; C03; C03C; C03C10/00; C03C10/0054; C03C10/0009; C03C10/0018; C03C10/0027; C03C27/00; C03C27/04; C03C27/042; C03C27/046; C04; C04B; C04B37/00; C04B37/02; C04B37/023; C04B37/026; H; H05; H05K; H05K3/00; H05K3/38; C04B2235/00; C04B2235/60; C04B2235/604; C04B2235/65; C04B2235/656; C04B2235/6562; C04B2235/658; C04B2235/6588; C04B2235/66; C04B2235/661; C04B2235/662; C04B2237/00; C04B2237/02; C04B2237/04; C04B2237/06; C04B2237/12; C04B2237/123; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/341; C04B2237/40; C04B2237/405; C04B2237/407; C04B2237/408; C04B2237/50; C04B2237/52; C04B2237/525; C04B2237/61; C04B2237/62; C04B2237/70; C04B2237/706; C04B2237/708; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12611; Y10T428/12618; Y10T428/12771; Y10T428/12861; Y10T428/12882
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A BONDED METAL-CERAMIC ELEMENT CONSISTING OF A METAL COMPONENT FORMED OF A METAL SELECTED FROM THE GROUP CONSISTING OF SILVER, SILVER-BASED ALLOY, COPPER, COPPER-BASD ALLOY, AND NICKEL, BONDED DIRECTLY TO A BASE CONSISTING OF A DEVITRIFIED GLASS COMPONENT HAVING A COMPOSITION WITHIN THE FOLLOWING RANGE IN PERCENTAGE BY WEIGHT AND HAVING A COEFFICIENT OF THERMAL EXPANSION IN THE DEVITRIFIED STATE IN THE RANGE 20-400*C. OF BETWEEN 135 AND 175X10**-7:
Claim 2
Dependent Claim
69 words
A BONDED METAL-CERAMIC ELEMENT CONSISTING OF A METAL COMPONENT FORMED OF A METAL SELECTED FROM THE GROUP CONSISTING OF SILVER, SILVER-BASED ALLOY, COPPER, COPPER-BASD ALLOY, AND NICKEL, BONDED DIRECTLY TO A BASE CONSISTING OF A DEVITRIFIED GLASS COMPONENT HAVING A COMPOSITION WITHIN THE FOLLOWING RANGE IN PERCENTAGE BY WEIGHT AND HAVING A COEFFICIENT OF THERMAL EXPANSION IN THE DEVITRIFIED STATE IN THE RANGE 20-400*C. OF BETWEEN 135 AND 175X10**-7:
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |