Patent US3213337A successfully refreshed from Google Patents.
US3213337A
Expired / Lapsed
US
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Composite ceramic body and method of forming the same
Assignee: Whittaker Corp
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Filing: 1962-10-02
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Granted: 1965-10-19
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Expires: 1982-10-02
Abstract
No abstract record available.
Inventors
- 👤 Roger A Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:00
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/02; H01B3/08; H01B3/085; H01B3/025; H10; H10W; H10W76/00; H10W76/10; H10W76/12; H10W76/15; H10W76/153
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A COMPOSITE CERAMIC SEMICONDUCTOR PACKAGE COMPRISING: A BODY POTION AND AT LEAST ONE METAL LEAD BONDED TO SAID BODY PORTION; SAID BODY PORTION HAVING HIGH THERMAL CONDUCTIVITY AND LOW POROSITY AND BEING A SINTERED MIXTURE OF A EUTECTIC AND A REFRACTORY MATERIAL; SAID EUTECTIC HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
48 words
A COMPOSITE CERAMIC SEMICONDUCTOR PACKAGE COMPRISING: A BODY POTION AND AT LEAST ONE METAL LEAD BONDED TO SAID BODY PORTION; SAID BODY PORTION HAVING HIGH THERMAL CONDUCTIVITY AND LOW POROSITY AND BEING A SINTERED MIXTURE OF A EUTECTIC AND A REFRACTORY MATERIAL; SAID EUTECTIC HAVING THE GENERAL FORMULA
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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |