Patent US3107153A successfully refreshed from Google Patents.
US3107153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fabricating carbon and graphite structures
Assignee: IIT Research Institute
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Filing: 1960-09-23
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Granted: 1963-10-15
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Expires: 1980-09-23
Abstract
No abstract record available.
Inventors
- 👤 Carl W Boquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:51
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; C04B35/532; C04B35/522; C04B2235/00; C04B2235/70; C04B2235/74; C04B2235/77
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN A PROCESS OF MAKING GRAPHITE BODIES, COMPRISNG THE STEPS OF: BLENDING SUBSTANTIALLY HOMOGENEOUSLY A MIXTURE OF CARBON AGGREGATE AND A SMALLER AMOUNT OF THERMATOMIC CARBON WITH A BINDER CONSISTING ESSENTIALLY OF FROM 50% TO LESS THAN 100% PREPOLYMERIZED FURFURYL ALCOHOL, BALANCE PITCH; FROMING HE BODY BY THE APPLICATION OF HEAT AND PRESSURE; AND HARDENING AND GRAPHITIZING SAID BODY BY BAKING CHARACTERIZED BY THE FACT THAT THE BODY IS WITHOUT EXTERNAL PHYSICAL SUPPORT DURING BAKING
Claim 2
Dependent Claim
75 words
IN A PROCESS OF MAKING GRAPHITE BODIES, COMPRISNG THE STEPS OF: BLENDING SUBSTANTIALLY HOMOGENEOUSLY A MIXTURE OF CARBON AGGREGATE AND A SMALLER AMOUNT OF THERMATOMIC CARBON WITH A BINDER CONSISTING ESSENTIALLY OF FROM 50% TO LESS THAN 100% PREPOLYMERIZED FURFURYL ALCOHOL, BALANCE PITCH; FROMING HE BODY BY THE APPLICATION OF HEAT AND PRESSURE; AND HARDENING AND GRAPHITIZING SAID BODY BY BAKING CHARACTERIZED BY THE FACT THAT THE BODY IS WITHOUT EXTERNAL PHYSICAL SUPPORT DURING BAKING
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) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |