US3010839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making silicon monoxide articles
Assignee: Union Carbide Corp
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Filing: 1959-07-01
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Granted: 1961-11-28
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Expires: 1979-07-01
Abstract
No abstract record available.
Inventors
- 👤 Carl E Drumheller
- 👤 Peter T Marth
- 👤 Johann S Wagener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:10
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/113; C23; C23C; C23C14/00; C23C14/06; C23C14/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
THE METHOD OF PRODUCING A HARD AND DURABLE SILICON MONOXIDE ARTICLE WHICH COMPRISES MIXING SILICON MONOXIDE OF A PARTICLE SIZE LESS THAN 60 MESH (U.S. STANDARD SCREEN) WITH A 35 PERCENT SOLUTION OF COLLOIDAL SILICA SAID SILICON MONOXIDE BEING IN A PORTION BETWEEN 20:1 AND 4:1, WITH RESPECT TO SAID COLLOIDAL SILICA SAID MIX AT 4000 TO 120,000 POUNDS PER SQUARE INCH PRESSURE, AND BAKING THE RESULTING SHAPE AT 100*C. TO 1400*C. FOR ABOUT 10 TO ABOUT 150 MINUTES IN AN OXYGEN-CONTAINING ATMOSPHERE.
Claim 2
Independent Claim
83 words
THE METHOD OF PRODUCING A HARD AND DURABLE SILICON MONOXIDE ARTICLE WHICH COMPRISES MIXING SILICON MONOXIDE OF A PARTICLE SIZE LESS THAN 60 MESH (U.S. STANDARD SCREEN) WITH A 35 PERCENT SOLUTION OF COLLOIDAL SILICA SAID SILICON MONOXIDE BEING IN A PORTION BETWEEN 20:1 AND 4:1, WITH RESPECT TO SAID COLLOIDAL SILICA SAID MIX AT 4000 TO 120,000 POUNDS PER SQUARE INCH PRESSURE, AND BAKING THE RESULTING SHAPE AT 100*C. TO 1400*C. FOR ABOUT 10 TO ABOUT 150 MINUTES IN AN OXYGEN-CONTAINING ATMOSPHERE.
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) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |