US3078082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for reducing vaporizable refractory metal compounds
Assignee: National Research Corp
•
Filing: 1957-05-06
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Granted: 1963-02-19
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Expires: 1977-05-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Milo P Hnilicka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:57
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/14; C22B5/00; C22B5/02; C22B5/04; C22B5/06; Y; Y10; Y10S; Y10S266/00; Y10S266/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN AN APPARATUS FOR REDUCING VAPORIZABLE REFRACTORY METAL COMPOUNDS WITH A METALLIC REDUCING AGENT COMPRISING A FURNACE CHAMBER, A HORIZONTALLY DISPOSED RETORT HAVING TOP, BOTTOM, SIDE AND END WALLS MOUNTED IN SAID FURNACE CHAMBER, AN UPWARDLY EXTENDING HEAT INSULATING PARTITION MOUNTED IN SAID RETORT AND DIVIDING THE SPACE THEREIN INTO HORIZONTALLY SPACED VAPORIZING AND REACTION ZONES, SAID PARTITION WALL HAVING AN OPENING THEREIN ADJACENT THE TOP WALL OF SAID RETORT, MEANS FOR SUPPORTING A VAPORIZABLE SOLID REFRACTORY METAL COMPOUND IN SAID VAPORIZING ZONE AT A POINT THEREIN BELOW SAID OPENING IN SAID PARTITION WALL AND MEANS FOR SUPPORTING SAID METALLIC REDUCING AGENT IN SAID REACTION ZONE AT A POINT BELOW SAID OPENING IN SAID PARTITION WALL, SAID OPENING IN SAID PARTITION WALL PROVIDING A HORIZONTALLY EXTENDING PATH OF FLOW FOR VAPORS FROM SAID VAPORIZING ZONE TO SAID REACTION ZONE AT A POINT ABOVE THAT IN SAID VAPORIZING ZONE AT WHICH SAID METAL COMPOUND IS VAPORIZED AND
Claim 2
Dependent Claim
156 words
IN AN APPARATUS FOR REDUCING VAPORIZABLE REFRACTORY METAL COMPOUNDS WITH A METALLIC REDUCING AGENT COMPRISING A FURNACE CHAMBER, A HORIZONTALLY DISPOSED RETORT HAVING TOP, BOTTOM, SIDE AND END WALLS MOUNTED IN SAID FURNACE CHAMBER, AN UPWARDLY EXTENDING HEAT INSULATING PARTITION MOUNTED IN SAID RETORT AND DIVIDING THE SPACE THEREIN INTO HORIZONTALLY SPACED VAPORIZING AND REACTION ZONES, SAID PARTITION WALL HAVING AN OPENING THEREIN ADJACENT THE TOP WALL OF SAID RETORT, MEANS FOR SUPPORTING A VAPORIZABLE SOLID REFRACTORY METAL COMPOUND IN SAID VAPORIZING ZONE AT A POINT THEREIN BELOW SAID OPENING IN SAID PARTITION WALL AND MEANS FOR SUPPORTING SAID METALLIC REDUCING AGENT IN SAID REACTION ZONE AT A POINT BELOW SAID OPENING IN SAID PARTITION WALL, SAID OPENING IN SAID PARTITION WALL PROVIDING A HORIZONTALLY EXTENDING PATH OF FLOW FOR VAPORS FROM SAID VAPORIZING ZONE TO SAID REACTION ZONE AT A POINT ABOVE THAT IN SAID VAPORIZING ZONE AT WHICH SAID METAL COMPOUND IS VAPORIZED AND
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |