US3664865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graphite impregnated with bismuth-nickel alloy
Assignee: European Atomic Energy Community Euratom
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Filing: 1969-12-01
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Granted: 1972-05-23
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Expires: 1989-12-01
Abstract
Abstract Metal-impregnated graphite is characterized in that the metal consists of an alloy of bismuth and nickel.
Inventors
- 👤 Franco Lanza
- 👤 Giuseppe Marengo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:22
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/51; C04B41/5144; C22; C22C; C22C28/00; G; G21; G21C; G21C5/00; G21C5/12; G21C5/126; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T428/00; Y10T428/30
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
21 words
Metal-impregnated graphite as claimed in claim 1 characterized in that the alloy contains 8 to 27 percent by weight of nickel.
Claim 2
Dependent Claim
20 words
Metal-impregnated graphite as claimed in claim 2 characterized in that the alloy contains approximately 9 percent by weight of nickel.
Claim 3
Dependent Claim
20 words
Metal-impregnated graphite as claimed in claim 2 characterized in that the alloy contains approximately 25 percent by weight of nickel.
Claim 4
Dependent Claim
12 words
A nuclear reactor part constructed of metal-impregnated graphite according to claim 1.
References Cited (Backward Citations)
US1548975A
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US2098062A
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US2263164A
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US2876139A
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US2995471A
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US3348967A
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US3436253A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-23 | 1975-11-22 | 1976-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-23 | 1979-11-22 | 1980-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-23 | 1983-11-22 | 1984-05-23 | $7700.00 | Window Closed / Lapsed |