US3002852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming tantalum silicides on tantalum surfaces
Assignee: Individual
•
Filing: 1960-07-18
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Granted: 1961-10-03
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Expires: 1980-07-18
Abstract
No abstract record available.
Inventors
- 👤 Melvin G Bowman
- 👤 Nerses H Krikorian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:17
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/44; G21C3/52; C; C23; C23C; C23C10/00; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S266/00; Y10S266/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
THE PROCESS OF COATING A TANTALUM SURFACE WITH A COATING OF TANTALUM SILICIDES CONSISTING ESSENTIALLY OF HEATING TRIRHENIUM SILICIDE UNDER VACUUM IN CONTACT WITH SAID TANTALUM SURFACE TO A TEMPERATURE SUFFICIENT TO DISSOCIATE SAID TRIRHENIUM SILICIDE INTO ITS ELEMENTAL COMPONENTS, SAID TEMPERATURE BEING LESS THAN THE MELTING POINT OF SAID TRIRHENIUM SILICIDE.
Claim 2
Dependent Claim
52 words
THE PROCESS OF COATING A TANTALUM SURFACE WITH A COATING OF TANTALUM SILICIDES CONSISTING ESSENTIALLY OF HEATING TRIRHENIUM SILICIDE UNDER VACUUM IN CONTACT WITH SAID TANTALUM SURFACE TO A TEMPERATURE SUFFICIENT TO DISSOCIATE SAID TRIRHENIUM SILICIDE INTO ITS ELEMENTAL COMPONENTS, SAID TEMPERATURE BEING LESS THAN THE MELTING POINT OF SAID TRIRHENIUM SILICIDE.
References Cited (Backward Citations)
US2512455A
Cited
US2771666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |