Patent US3063843A successfully refreshed from Google Patents.
Patent US3377150A successfully refreshed from Google Patents.
US3377150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of making electrolytic tools
Assignee: Carbond Corp
•
Filing: 1965-02-15
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Granted: 1968-04-09
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Expires: 1985-02-15
Abstract
No abstract record available.
Inventors
- 👤 William G Corley
- 👤 George T Sermon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:31
CPC Classifications
B; B23; B23H; B23H5/00; B23H5/06; B23H5/08; B24; B24D; B24D18/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A METHOD FO PREPARING AN ELECTROLYTIC MACHINING TOOL COMPRISING: INTIMATELY BLENDING PARTICULATE HYDROCARBON WITH ABRASIVE GRAINS AND INERT FILLER MATERIAL; INTERLAMINATING FLEXIBLE GRAPHITE BODY MEANS WITH LAYERS OF SAID BLEND TO FORM A RAW TOOL; COMPRESSING SAID RAW TOOL INTO A RIGID BODY; AND SLOWLY BAKING THE BODY IN AN INERT ATMOSPHERE AT A TEMPERATURE SUFFICIENT TO DEHYDROGENIZE THE HYDROCARBON TO FORM A CARBON MATRIX AND BOND THE GRAINS AND GRAPHITE BODY MEANS IN THE MATRIX.
Claim 2
Independent Claim
76 words
A METHOD FO PREPARING AN ELECTROLYTIC MACHINING TOOL COMPRISING: INTIMATELY BLENDING PARTICULATE HYDROCARBON WITH ABRASIVE GRAINS AND INERT FILLER MATERIAL; INTERLAMINATING FLEXIBLE GRAPHITE BODY MEANS WITH LAYERS OF SAID BLEND TO FORM A RAW TOOL; COMPRESSING SAID RAW TOOL INTO A RIGID BODY; AND SLOWLY BAKING THE BODY IN AN INERT ATMOSPHERE AT A TEMPERATURE SUFFICIENT TO DEHYDROGENIZE THE HYDROCARBON TO FORM A CARBON MATRIX AND BOND THE GRAINS AND GRAPHITE BODY MEANS IN THE MATRIX.
References Cited (Backward Citations)
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Cited
US2355667A
Cited
GB749711A
Cited
US3030743A
Cited
US3062633A
Cited
US2981615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |