US3287108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for producing alloys
Assignee: Hausner Enterprises Inc
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Filing: 1963-01-07
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Granted: 1966-11-22
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Expires: 1983-01-07
Abstract
No abstract record available.
Inventors
- 👤 Hausner Johann Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:19
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C30; C30B; C30B11/00; C30B11/003; Y; Y10; Y10S; Y10S118/00; Y10S118/90; Y10S420/00; Y10S420/903
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
IN A METHOD OF PRODUCING CRYSTALLIZED SEMI-CONDUCTOR ALLOYS, THE STEPS OF SEPARATELY HEATING AND VAPORIZING A PLURALITY OF METALS TO ALLOYED WITHIN A COMMON VACUUM CHAMBER, CONDENSING AND ALLOYING THE VAPORIZED METALS IN A COOLED CONDENSING REGION WHILE APPLYING A HIGH VOLTAGE ELECTOSTATIC FIELD BETWEEN THE VAPORIZATION AND CONDENSING REGIONS, CASTING THE CONDENSED ALLOY INTO RODS, HEATING AND THEN COOLING THE RODS WHILE PASSING AN ELECTRIC CURRENT HONGITUDINALLY THROUGH THE RODS TO CAUSE
References Cited (Backward Citations)
US2711379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |