Patent US3078232A successfully refreshed from Google Patents.
US3078232A
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Process for making conducting cubic boron nitride and product therefrom
Assignee: General Electric Co
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Filing: 1960-01-18
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Granted: 1963-02-19
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Expires: 1980-01-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert H Wentorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:03
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/58; C04B35/583; C04B35/5831; C01; C01B; C01B21/00; C01B21/06; C01B21/064; H; H10; H10P; H10P95/00; C01P; C01P2006/00; C01P2006/40; Y; Y10; Y10S; Y10S117/00; Y10S117/90; Y10S438/00; Y10S438/932; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12576
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
P-TYPE CONDUCTING CUBIC NITRIDE HAVING INCORPORATED THEREIN A SUFFICIENT AMOUNT OF BERYLLIUM UP TO 10 PERCENT, BY WEIGHT, TO IMPART TO THE CUBIC BORON NITRIDE A SPECIFIC RESISTANCE OF LESS THAN 1012 OHM CENTIMETERS.
Claim 2
Dependent Claim
34 words
P-TYPE CONDUCTING CUBIC NITRIDE HAVING INCORPORATED THEREIN A SUFFICIENT AMOUNT OF BERYLLIUM UP TO 10 PERCENT, BY WEIGHT, TO IMPART TO THE CUBIC BORON NITRIDE A SPECIFIC RESISTANCE OF LESS THAN 1012 OHM CENTIMETERS.
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |