Patent US3158671A successfully refreshed from Google Patents.
US3158671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing titanium sponge
Assignee: Montedison SpA
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Filing: 1959-09-09
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Granted: 1964-11-24
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Expires: 1979-09-09
Abstract
No abstract record available.
Inventors
- 👤 Socci Miniato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:15
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1263; C22B34/1268; C22B34/1272; Y; Y10; Y10S; Y10S266/00; Y10S266/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
231 words
AN APPARATUS FOR MAKING TITANIUM SPONGE BY REDUCING TITANIUM TETRACHLORIDE WITH A REDUCING METAL, COMPRISING ENCLOSURE STRUCTURE MEANS FOR APPLYING HEAT, REACTOR CASING MEANS AT LEAST PARTLY WITHIN SAID ENCLOSURE MEANS, THE CASING MEANS PROVIDING A REACTION CHAMBER, A REACTION VESSEL IN SAID REACTOR CASING MEANS, THE REACTION VESSEL HAVING A BOTTOM WALL SUFFICIENTLY IMPERFORATE TO RETAIN THEREON A GROWING BODY OF THE RESULTING TITANIUM SPONGE AND TO RETAIN THE MOLTEN REDUCING METAL AND THE RESULTING MOLTEN CHLORIDE OF SAID REDUCING METAL, THE REACTION VESSEL HAVING FORAMINOUS SIDE WALL SURFACE, THE FORAMINA THEREOF BEING DISRIBUTED OVER SAID SURFACE CIRCUMFERENTIALLY AT A PLURALITY OF LEVELS TO PROVIDE A MULTIPLICITY OF VENTS, THE FORAMINA BEING OF A DIAMETER SUFFICIENTLY SMALL TO RETAIN THE MOLTEN REDUCING METAL BUT LARGE ENOUGH TO PASS SAID RESULTING MOLTEN CHLORIDE, THE FORAMINA STARTING AT A REGION SUFFICIENTLY REMOVED FROM THE BOTTOM WALL TO RETAIN THEREON AT LEAST A THIN LAYER OF THE SAID RESULTING CHLORIDE, THE FORAMINA REMAINING OPEN THROUGHOUT THE OPERATION, FOR PASSAGE OF SAID CHLORIDE, AN UPPER PART OF THE REACTION VESSEL HAVING AN OPENING FOR INGRESS OF TITANIUM CHLORIDE AND SAID REDUCING METAL, CONDUIT MEANS FOR SUPPLYING TITANIUM CHLORIDE AND SAID REDUCING METAL TO SAID OPENING, MOVABLE MEANS PROVIDING A CHAMBER TO RECEIVE THE MOLTEN CHLORIDE FROM THE REACTION VESSEL, MEANS FOR REMOVING THE MOLTEN CHLORIDE FROM THE LATTER CHAMBER, A CONDENSER, COOLING MEANS FOR
Claim 2
Independent Claim
231 words
AN APPARATUS FOR MAKING TITANIUM SPONGE BY REDUCING TITANIUM TETRACHLORIDE WITH A REDUCING METAL, COMPRISING ENCLOSURE STRUCTURE MEANS FOR APPLYING HEAT, REACTOR CASING MEANS AT LEAST PARTLY WITHIN SAID ENCLOSURE MEANS, THE CASING MEANS PROVIDING A REACTION CHAMBER, A REACTION VESSEL IN SAID REACTOR CASING MEANS, THE REACTION VESSEL HAVING A BOTTOM WALL SUFFICIENTLY IMPERFORATE TO RETAIN THEREON A GROWING BODY OF THE RESULTING TITANIUM SPONGE AND TO RETAIN THE MOLTEN REDUCING METAL AND THE RESULTING MOLTEN CHLORIDE OF SAID REDUCING METAL, THE REACTION VESSEL HAVING FORAMINOUS SIDE WALL SURFACE, THE FORAMINA THEREOF BEING DISRIBUTED OVER SAID SURFACE CIRCUMFERENTIALLY AT A PLURALITY OF LEVELS TO PROVIDE A MULTIPLICITY OF VENTS, THE FORAMINA BEING OF A DIAMETER SUFFICIENTLY SMALL TO RETAIN THE MOLTEN REDUCING METAL BUT LARGE ENOUGH TO PASS SAID RESULTING MOLTEN CHLORIDE, THE FORAMINA STARTING AT A REGION SUFFICIENTLY REMOVED FROM THE BOTTOM WALL TO RETAIN THEREON AT LEAST A THIN LAYER OF THE SAID RESULTING CHLORIDE, THE FORAMINA REMAINING OPEN THROUGHOUT THE OPERATION, FOR PASSAGE OF SAID CHLORIDE, AN UPPER PART OF THE REACTION VESSEL HAVING AN OPENING FOR INGRESS OF TITANIUM CHLORIDE AND SAID REDUCING METAL, CONDUIT MEANS FOR SUPPLYING TITANIUM CHLORIDE AND SAID REDUCING METAL TO SAID OPENING, MOVABLE MEANS PROVIDING A CHAMBER TO RECEIVE THE MOLTEN CHLORIDE FROM THE REACTION VESSEL, MEANS FOR REMOVING THE MOLTEN CHLORIDE FROM THE LATTER CHAMBER, A CONDENSER, COOLING MEANS FOR
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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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |