US3672879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tini cast product
Assignee: Individual
•
Filing: 1970-06-01
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Granted: 1972-06-27
•
Expires: 1990-06-01
Abstract
Abstract A METHOD FOR FORMING TINI BASE ALLOYS IN WHICH A PREALLOYED MATERIAL OF THE TYPE TO BE OBTAINED IS PLACED INTO A GRAPHITE CRUCIBLE AND IS HEATED ABOVE THE MELTING POINT BY EXTERNAL APPLICATION OF POWER, WHEREUPON THE COMPONENT METALS ARE MELTED IN THE MOLTEN ALLOY IN SUCH A MANNER AS TO PREVENT DIRECT CONTACT BETWEEN THE COMPONENT METALS THE WALLS OF THE CRUCIBLE.
Inventors
- 👤 William J Buehler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:49
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/04; G01N29/11; C; C22; C22C; C22C1/00; C22C1/02; G01N33/00; G01N33/20; G01N33/202; G01N33/2022; G01N33/2025; G01N2291/00; G01N2291/02; G01N2291/028; G01N2291/02881
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-27 | 1975-12-27 | 1976-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-27 | 1979-12-27 | 1980-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-27 | 1983-12-27 | 1984-06-27 | $7700.00 | Window Closed / Lapsed |