US2497537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zirconium carrying alloying substance
Assignee: Magnesium Elektron Ltd
•
Filing: 1947-06-14
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Granted: 1950-02-14
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Expires: 1967-06-14
Abstract
No abstract record available.
Inventors
- 👤 Emley Edward Frederick
- 👤 Jessup Alfred Claude
- 👤 Works Clifton Junction
- 👤 Fisher Philip Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:24
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A ZIRCONIUM-CARRYING ALLOYING SUBSTANCE, EXCLUDING ALKALI METAL FLUORIDES, CONSISTING OF ZIRCONIUM FLUORIDE IN AMOUNT EQUIVALENT TO AT LEAST 4 PER CENT OF ZIRCONIUM, AND AT LEAST ONE CHLORIDE OF A METAL FROM THE GROUP CONSISTING OF ALKALINE EARTH METALS INCLUDING MAGNESIUM, THE CHLORIDE COMPONENT BEING IN AMOUNT TO ENABLE THE ALLOYING SUBSTANCE AS A WHOLE TO MELT AT THE ALLOYING TEMPERATURE.
Claim 2
Dependent Claim
61 words
A ZIRCONIUM-CARRYING ALLOYING SUBSTANCE, EXCLUDING ALKALI METAL FLUORIDES, CONSISTING OF ZIRCONIUM FLUORIDE IN AMOUNT EQUIVALENT TO AT LEAST 4 PER CENT OF ZIRCONIUM, AND AT LEAST ONE CHLORIDE OF A METAL FROM THE GROUP CONSISTING OF ALKALINE EARTH METALS INCLUDING MAGNESIUM, THE CHLORIDE COMPONENT BEING IN AMOUNT TO ENABLE THE ALLOYING SUBSTANCE AS A WHOLE TO MELT AT THE ALLOYING TEMPERATURE.
References Cited (Backward Citations)
GB489700A
Cited
US2250687A
Cited
US2235508A
Cited
US2267862A
Cited
US2261906A
Cited
US2373515A
Cited
US2418408A
Cited
US2452914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |