US3575806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydriding resistant zirconium alloy components
Assignee: Atomic Energy of Canada Ltd AECL
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Filing: 1967-11-24
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Granted: 1971-04-20
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Expires: 1987-11-24
Abstract
Abstract NUCLEAR REACTOR COMPONENTS IN AN ORGANIC COOLANT CIRCUIT FORMED FROM A ZIRCONIUM ALLOY CONTAINING 0.1 TO 0.3% SN, 0.05 TO 0.2% FE, 0.05 TO 0.2% NI, 0.05 TO 0.2% NB BY WEIGHT WITH THE REMAINDER ZIRCONIUM, WHICH ALLOY EXHIBITS A HIGH RESISTANCE TO HYDRIDING WHEN EXPOSED TO A HYDRIDING ATMOSPHERE SUCH AS PROVIDED BY ORGANIC COOLANT.
Inventors
- 👤 John Boulton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:37
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/14; G21C1/16; G21C1/18; G21C1/20; G21C3/00; G21C3/02; G21C3/04; G21C3/06; G21C3/07; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |