Patent US3264135A successfully refreshed from Google Patents.
US3264135A
Expired / Lapsed
US
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Method of coating carbonaceous base to prevent oxidation destruction and coated base
Assignee: Individual
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Filing: 1962-11-28
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Granted: 1966-08-02
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Expires: 1982-11-28
Abstract
No abstract record available.
Inventors
- 👤 Noel T Wakelyn
- 👤 Robert A Jewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:06
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/52; C04B41/80; C04B41/81; C04B41/89; C23; C23C; C23C8/00; Y; Y10; Y10S; Y10S60/00; Y10S60/909; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A COATED BASE HAVING AN OXIDATION PROTECTIVE COATING THEREON COMPRISING: A CARBONACEOUS MEMBER, A COAT OF A HIGH MELTING POINT HIGH STABILITY NITRIDE INTEGRALLY FORMED ON AN EXPOSED SURFACE OF SAID CARBONACEOUS MEMBER, SAID NITRIDE COATING BEING SELECTED FROM THE GROUP CONSISTING OF THE NITRIDES OF TITANIUM, ZIRCONIUM, HAFNIUM, NIOBIUM, TANTALUM AND BERYLLIUM, AND AN OVERCOAT OF SILICON COVERING SAID NITRIDE COATING.
Claim 2
Dependent Claim
62 words
A COATED BASE HAVING AN OXIDATION PROTECTIVE COATING THEREON COMPRISING: A CARBONACEOUS MEMBER, A COAT OF A HIGH MELTING POINT HIGH STABILITY NITRIDE INTEGRALLY FORMED ON AN EXPOSED SURFACE OF SAID CARBONACEOUS MEMBER, SAID NITRIDE COATING BEING SELECTED FROM THE GROUP CONSISTING OF THE NITRIDES OF TITANIUM, ZIRCONIUM, HAFNIUM, NIOBIUM, TANTALUM AND BERYLLIUM, AND AN OVERCOAT OF SILICON COVERING SAID NITRIDE COATING.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |