Patent US3343979A successfully refreshed from Google Patents.
US3343979A
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Method for depositing a tungsten-rhenium metal alloy on a substrate
Assignee: Individual
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Filing: 1965-10-22
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Granted: 1967-09-26
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles E Hamrin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:01
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/06; C23C16/08; C22; C22C; C22C27/00; C22C27/04; G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/626; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
THE METHOD FOR DEPOSITING A TUNGSTEN-RHENIUIM METAL ALLOY OF CONTROLLED COMPOSITION ON A SUBSTRATE COMPRISING CONTACTING SAID SUBSTRATE IN A FLUIDIZED BED REACTOR WITH A GASEOUS REACTION MIXTURE CONSISTING OF TUNGSTEN HEXAFLUORIDE, RHENIUM HEXAFLUORIDE, AND STOICHIOMETRIC EXCESS OF HYDROGEN AT A TEMPERATURE BETWEEN 400-550*C. TO THEREBY EFFECT A UNIFORM COATING OF SAID METAL ALLOY.
Claim 2
Independent Claim
54 words
THE METHOD FOR DEPOSITING A TUNGSTEN-RHENIUIM METAL ALLOY OF CONTROLLED COMPOSITION ON A SUBSTRATE COMPRISING CONTACTING SAID SUBSTRATE IN A FLUIDIZED BED REACTOR WITH A GASEOUS REACTION MIXTURE CONSISTING OF TUNGSTEN HEXAFLUORIDE, RHENIUM HEXAFLUORIDE, AND STOICHIOMETRIC EXCESS OF HYDROGEN AT A TEMPERATURE BETWEEN 400-550*C. TO THEREBY EFFECT A UNIFORM COATING OF SAID METAL ALLOY.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |