US3173973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graphite dispersion
Assignee: Individual
•
Filing: 1962-12-06
•
Granted: 1965-03-16
•
Expires: 1982-12-06
Abstract
No abstract record available.
Inventors
- 👤 Brockway Marion Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:42
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/64; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A METHOD OF MAKING A DISPERSION OF OXIDE-COATED PARTICLES WITHIN A MATRIX ESSENTIALLY OF GRAPHITE, COMPRISING TUMBLING THEM IN A ROTATING DRUM, SIMULTANEOUSLY WITH THE TUMBLING SPRAYING THEM INTERMITTENTLY WITH A SPRAY OF SOLVENT AND A SPRAY OF A SLURRY OF GRAPHITE IN A SOLUTION OF ORGANIC BINDER AND ORGANIC LIQUID SOLVENT, UNTIL THE PARTICLES ARE COATED WITH A MAJOR PORTION OF THE GRAPHITE MATRIX MATERIAL, REMOVING THEM FROM THE DRUM, PRESSING THEM ISOSTATICALLY WITHIN A PRESSING MEDIUM, SEPARATING THEM FROM THE PRESSING MEDIUM, TUMBLING THEM AND SPRAYING THEM A SECOND TIME INTERMITTENTLY WITH A SPRAY OF SOLVENT AND A SPRAY OF A SLURRY OF GRAPHITE IN A SOLUTION OF ORGANIC BINDER AND ORGANIC LIQUID SOLVENT UNTIL COATING IS COMPLETE, REMOVING THEM FROM THE DRUM, PRESSING THEM UNIAXIALLY INTO THE SHAPE OF THE DISPERSION, AND PRESSURE BAKING THE SHAPE.
Claim 2
Independent Claim
139 words
A METHOD OF MAKING A DISPERSION OF OXIDE-COATED PARTICLES WITHIN A MATRIX ESSENTIALLY OF GRAPHITE, COMPRISING TUMBLING THEM IN A ROTATING DRUM, SIMULTANEOUSLY WITH THE TUMBLING SPRAYING THEM INTERMITTENTLY WITH A SPRAY OF SOLVENT AND A SPRAY OF A SLURRY OF GRAPHITE IN A SOLUTION OF ORGANIC BINDER AND ORGANIC LIQUID SOLVENT, UNTIL THE PARTICLES ARE COATED WITH A MAJOR PORTION OF THE GRAPHITE MATRIX MATERIAL, REMOVING THEM FROM THE DRUM, PRESSING THEM ISOSTATICALLY WITHIN A PRESSING MEDIUM, SEPARATING THEM FROM THE PRESSING MEDIUM, TUMBLING THEM AND SPRAYING THEM A SECOND TIME INTERMITTENTLY WITH A SPRAY OF SOLVENT AND A SPRAY OF A SLURRY OF GRAPHITE IN A SOLUTION OF ORGANIC BINDER AND ORGANIC LIQUID SOLVENT UNTIL COATING IS COMPLETE, REMOVING THEM FROM THE DRUM, PRESSING THEM UNIAXIALLY INTO THE SHAPE OF THE DISPERSION, AND PRESSURE BAKING THE SHAPE.
References Cited (Backward Citations)
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Cited
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Cited
US3021566A
Cited
US3035003A
Cited
US2965931A
Cited
US2967812A
Cited
US3031389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |