US2682686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbon bodies and method of manufacturing the same
Assignee: GREAT LAKES CARBON Corp
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Filing: 1949-08-17
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Granted: 1954-07-06
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Expires: 1969-08-17
Abstract
No abstract record available.
Inventors
- 👤 Mrozowski Stanislaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:13
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/268; Y10T428/29; Y10T428/2982; Y10T428/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A PROCESS FOR FORMING CARBON ARTICLES WHICH COMPRISES COMPRESSING INTO A MOLD A COMPOSITION CONSISTING ESSENTIALLY OF CARBON PARTICLES WHOSE SURFACE CONTAIN OXYGEN IN CHEMICAL COMBINATION WITH THE CARBON, AND HEATING THE RESULTING COMPRESSED COMPOSITION WHILE RETAINED IN THE MOLD AND IN THE ABSENCE OF ANY AGENT CAPABLE OF COMPLETELY COATING THE PARTICLES AND TEHREBY PREVENTING INTIMATE AND DIRECT CONTACT BETWEEN SAID PARTICLES AFTER COMPRESSION, SAID HEATING BEGIN CONDUCTED AT A TEMPERATURE AND FOR A TIME SUFFICIENT TO VOLATILIZE SUBSTANTIALLY ALL OF THE OXYGEN CHEMICALLY COMBINED WITH THE CARBON.
Claim 2
Dependent Claim
89 words
A PROCESS FOR FORMING CARBON ARTICLES WHICH COMPRISES COMPRESSING INTO A MOLD A COMPOSITION CONSISTING ESSENTIALLY OF CARBON PARTICLES WHOSE SURFACE CONTAIN OXYGEN IN CHEMICAL COMBINATION WITH THE CARBON, AND HEATING THE RESULTING COMPRESSED COMPOSITION WHILE RETAINED IN THE MOLD AND IN THE ABSENCE OF ANY AGENT CAPABLE OF COMPLETELY COATING THE PARTICLES AND TEHREBY PREVENTING INTIMATE AND DIRECT CONTACT BETWEEN SAID PARTICLES AFTER COMPRESSION, SAID HEATING BEGIN CONDUCTED AT A TEMPERATURE AND FOR A TIME SUFFICIENT TO VOLATILIZE SUBSTANTIALLY ALL OF THE OXYGEN CHEMICALLY COMBINED WITH THE CARBON.
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) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |