Patent US3194657A successfully refreshed from Google Patents.
US3194657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making workable ruthenium and product thereof
Assignee: Huntington Alloys Corp
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Filing: 1963-04-04
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Granted: 1965-07-13
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Expires: 1983-04-04
Abstract
No abstract record available.
Inventors
- 👤 Betteridge Walter
- 👤 Taylor Brian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:51
CPC Classifications
C; C22; C22C; C22C5/00; C22C5/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
34 words
A SINGLE-PHASE ALLOY CONSISTING ESSENTIALLY OF ABOUT 0.005% TO ABOUT 0.25% OF METAL SELECTED FROM THE GROUP CONSISTING OF CERIUM, ERBIUM, GADOLINIUM, HOLMIUM, LANTHANUM, PRASEODYMIUM, SAMARIUM, YTTERBIUM AND YTTRIUM WITH THE BALANCE ESSENTIALLY RUTHENIUM.
References Cited (Backward Citations)
FR868965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |