US2895819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing a catalytic metal foam and use thereof
Assignee: Bjorksten Research Laboratories Inc
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Filing: 1957-09-03
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Granted: 1959-07-21
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Expires: 1977-09-03
Abstract
No abstract record available.
Inventors
- 👤 Fiedler William Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:15
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/08; B; B01; B01J; B01J25/00; B01J25/02; Y; Y10; Y10S; Y10S264/00; Y10S264/63; Y10T; Y10T428/00; Y10T428/12; Y10T428/12479
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A METHOD FOR PREPARING A CATALYTIC METAL FOAM COMPRISING PROVIDING A MOLTEN POOL OF METAL ALLOY CONSISTING OF A CATALYTIC METAL AND AT LEAST ONE METAL ADAPTED TO BE EASILY REMOVED FROM SAID METAL ALLOY AFTER FOAMING; INTRODUCING INTO THE INTERIOR OF THE POOL, A MATERIAL ADAPTED TO EFFECT FOAMING OF THE ALLOY TO FORM A BODY OF MOLTEN METAL ALLOY CONTAINING DISCRETE CELLULAR BUBBLES DISTRIBUTED THERETHROUGH COOLING SAID BODY, TREATING SAID BODY TO REMOVE SAID METAL ADAPTED TO BE EASILY REMOVED FROM THE METAL ALLOY FOAM TO PROVIDE CATALYTIC METAL FOAM.
Claim 2
Independent Claim
92 words
A METHOD FOR PREPARING A CATALYTIC METAL FOAM COMPRISING PROVIDING A MOLTEN POOL OF METAL ALLOY CONSISTING OF A CATALYTIC METAL AND AT LEAST ONE METAL ADAPTED TO BE EASILY REMOVED FROM SAID METAL ALLOY AFTER FOAMING; INTRODUCING INTO THE INTERIOR OF THE POOL, A MATERIAL ADAPTED TO EFFECT FOAMING OF THE ALLOY TO FORM A BODY OF MOLTEN METAL ALLOY CONTAINING DISCRETE CELLULAR BUBBLES DISTRIBUTED THERETHROUGH COOLING SAID BODY, TREATING SAID BODY TO REMOVE SAID METAL ADAPTED TO BE EASILY REMOVED FROM THE METAL ALLOY FOAM TO PROVIDE CATALYTIC METAL FOAM.
References Cited (Backward Citations)
US2299228A
Cited
US2365751A
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US2434775A
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US2497176A
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US2587793A
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US2751289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |