US3286003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing shaped carbon bodies
Assignee: REVNOLDS METALS Co
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Filing: 1963-03-01
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Granted: 1966-11-15
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Expires: 1983-03-01
Abstract
No abstract record available.
Inventors
- 👤 Vaughn L Bullough
- 👤 Robert M Kibby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:00
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/06; C25C3/08; C25C3/12; C25C3/125; C01; C01B; C01B32/00; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; C04B35/532
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
THE METHOD OF PRODUCING A SHAPED ARTICLE FROM CARBONIZABLE MATERIAL COMPRISING A MIXTURE OF CARBONACEOUS AGGREGATE AND A THERMOSETTING BINDER, INCLUDING THE STEPS OF: PASSING THE CARBONIZABLE MATERIAL THROUGH A HEATED SHAPING ZONE, CONFINING SAID MATERIAL IN THE DESIRED CONFIGURATION DURING ITS PASSAGE THROUGH SAID ZONE, HEATING THE CONFINED MATERIAL TO A TEMPERATURE LESS THAN THAT REQUIRED TO CARBONIZE THE BINDER BUT HIGH ENOUGH TO SET THE BINDER AND FROM A SUBSTANTIALLY RIGID ARTICLE, TRANSFERRING SAID ARTICLE FROM SAID SHAPING ZONE TO A BAKING ZONE, IN WHICH IT IS SUBSTANTIALLY UNCONFINED. TO COMPLETE THE CARBONIZATION THEREOF, AND REMOVING AND COOLING THE CARBONIZED ARTICLE.
Claim 2
Independent Claim
103 words
THE METHOD OF PRODUCING A SHAPED ARTICLE FROM CARBONIZABLE MATERIAL COMPRISING A MIXTURE OF CARBONACEOUS AGGREGATE AND A THERMOSETTING BINDER, INCLUDING THE STEPS OF: PASSING THE CARBONIZABLE MATERIAL THROUGH A HEATED SHAPING ZONE, CONFINING SAID MATERIAL IN THE DESIRED CONFIGURATION DURING ITS PASSAGE THROUGH SAID ZONE, HEATING THE CONFINED MATERIAL TO A TEMPERATURE LESS THAN THAT REQUIRED TO CARBONIZE THE BINDER BUT HIGH ENOUGH TO SET THE BINDER AND FROM A SUBSTANTIALLY RIGID ARTICLE, TRANSFERRING SAID ARTICLE FROM SAID SHAPING ZONE TO A BAKING ZONE, IN WHICH IT IS SUBSTANTIALLY UNCONFINED. TO COMPLETE THE CARBONIZATION THEREOF, AND REMOVING AND COOLING THE CARBONIZED ARTICLE.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |