US3264694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of casting
Assignee: Individual
•
Filing: 1964-09-22
•
Granted: 1966-08-09
•
Expires: 1984-09-22
Abstract
No abstract record available.
Inventors
- 👤 Berthold C Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:35
CPC Classifications
C; C22; C22B; C22B60/00; C22B60/02; C22B60/0291; C22B34/00; C22B34/10; C22B34/12; C22B34/1295; C22B34/14; C22B34/30; C22B34/32; C30; C30B; C30B15/00; C30B15/10; Y; Y10; Y10S; Y10S266/00; Y10S266/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
THE METHOD OF CASTING METALS SELECTED FROM THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, HAFNIUM, THORIUM AND CHROMIUM WHICH COMPRISES THE STEPS OF PROVIDNG A CONTAINER CONSISTING ESSENTIALLY OF ZIRCONIA SATURATED WITH THE METAL TO BE CAST IN SUBSTITUTIONAL SOLID SOLUTION IN SAID ZIRCONIA, PLACING A CHARGE OF THE SELECTED METAL IN THE CONTAINER, MELTING THE METAL IN THE CONTAINER WHILE MINMIZING A REACTION BETWEEN THE MELT AND THE CONTAINER BY BALANCING THE CONTAINER MELT TEMPERATURE BELOW THE METAL MELTING POINT, PREHEATING THE MELT FOR A MINIMAL POSSIBLE TIME AND ONLY AS HIGH AS IS REQUIRED TO OBTAIN THE PROPER VISCOSITY OF THE METAL FOR CASTING, AND COOLING THE METAL TO ROOM TEMPERATURE.
Claim 2
Independent Claim
112 words
THE METHOD OF CASTING METALS SELECTED FROM THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, HAFNIUM, THORIUM AND CHROMIUM WHICH COMPRISES THE STEPS OF PROVIDNG A CONTAINER CONSISTING ESSENTIALLY OF ZIRCONIA SATURATED WITH THE METAL TO BE CAST IN SUBSTITUTIONAL SOLID SOLUTION IN SAID ZIRCONIA, PLACING A CHARGE OF THE SELECTED METAL IN THE CONTAINER, MELTING THE METAL IN THE CONTAINER WHILE MINMIZING A REACTION BETWEEN THE MELT AND THE CONTAINER BY BALANCING THE CONTAINER MELT TEMPERATURE BELOW THE METAL MELTING POINT, PREHEATING THE MELT FOR A MINIMAL POSSIBLE TIME AND ONLY AS HIGH AS IS REQUIRED TO OBTAIN THE PROPER VISCOSITY OF THE METAL FOR CASTING, AND COOLING THE METAL TO ROOM TEMPERATURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |