Patent US3236610A successfully refreshed from Google Patents.
US3236610A
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Bonded metal-ceramic elements
Assignee: English Electric Co Ltd
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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 19:35
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:
References Cited (Backward Citations)
US1587742A
Cited
US1989236A
Cited
US2335376A
Cited
US2523155A
Cited
US2555877A
Cited
US2534392A
Cited
US2570248A
Cited
US2724892A
Cited
US2848801A
Cited
US2889952A
Cited
US2920971A
Cited
US3075860A
Cited
US3107757A
Cited
US3061664A
Cited
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 |