US3152006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boron nitride coating and a process of producing the same
Assignee: High Temperature Materials Inc
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Filing: 1961-06-29
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Granted: 1964-10-06
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Expires: 1981-06-29
Abstract
No abstract record available.
Inventors
- 👤 Basche Malcolm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:55
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/22; C23C16/30; C23C16/34; C23C16/342; C01; C01B; C01B21/00; C01B21/06; C01B21/064; C01B21/0643
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
44 words
THE PROCESS OF COATING A SUBTRATE WITH BORON NITRIDE WHICH COMPRISES CONTACTING SAID SUBSTRATE WITH THE COMINGLED VAPORS OF AMMONIA AND A GASEOUS BORON HALIDE WITHIN THE TEMPERATURE RANGE OF BETWEEN 1450*C. AND 2300*C. AND AT A PRESSURE BELOW ABOUT 50 MM. OF MERCURY.
References Cited (Backward Citations)
US2865715A
Cited
US2938816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |