US3300331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite metal-ceramic article and method for making same
Assignee: Teleflex Inc
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Filing: 1963-10-07
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Granted: 1967-01-24
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Expires: 1983-10-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Glenn A Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:18
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/10; C22C1/1026; B; B22; B22F; B22F3/00; B22F3/10; B22F3/11; B22F3/114; Y; Y10; Y10S; Y10S264/00; Y10S264/36; Y10T; Y10T428/00; Y10T428/29; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
AN ARTICLE OF MANUFACTURE COMPRISING AN OPEN METAL SPONGE HAVING ITS CELL WALLS COVERED WITH A MATERIAL FORMED BY APPLYING TO SAID SPONGE A MIXTURE OF INORGANIC SOLID PARTICULATE MATERIAL HAVING A GRAIN SIZE LESS THAN 325 MESH IN AN AQUEOUS SOLUTION, THE SOLUTE OF SAID SOLUTION CONSISTING ESSENTIALLY OF A COMBINATION OF INORGANIC COMPOUNDS FROM THE GROUP CONSISTING OF PHOSPHORIC ACID, CHROMIC ACID, AND THE METAL SALTS OF SAID ACIDS, THE COMBINATION OF COMPOUNDS IN SAID SOLUTION BEING SUCH AS WILL PROVIDE AT LEAST 1 MOL PER LITER DISSOLVED PHOSPHATE, AT LEAST .3 MOL PER LITER DISSOLVED MATERIAL FROM THE GROUP CONSISTING OF CHROMATE AND MOLYBDATE, AND AT LEAST .3 MOL
Claim 2
Dependent Claim
112 words
AN ARTICLE OF MANUFACTURE COMPRISING AN OPEN METAL SPONGE HAVING ITS CELL WALLS COVERED WITH A MATERIAL FORMED BY APPLYING TO SAID SPONGE A MIXTURE OF INORGANIC SOLID PARTICULATE MATERIAL HAVING A GRAIN SIZE LESS THAN 325 MESH IN AN AQUEOUS SOLUTION, THE SOLUTE OF SAID SOLUTION CONSISTING ESSENTIALLY OF A COMBINATION OF INORGANIC COMPOUNDS FROM THE GROUP CONSISTING OF PHOSPHORIC ACID, CHROMIC ACID, AND THE METAL SALTS OF SAID ACIDS, THE COMBINATION OF COMPOUNDS IN SAID SOLUTION BEING SUCH AS WILL PROVIDE AT LEAST 1 MOL PER LITER DISSOLVED PHOSPHATE, AT LEAST .3 MOL PER LITER DISSOLVED MATERIAL FROM THE GROUP CONSISTING OF CHROMATE AND MOLYBDATE, AND AT LEAST .3 MOL
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |