US3594141A
Expired / Lapsed
US
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Method for making a metal bonded diamond abrasive tool
Assignee: Saint Gobain Abrasives Inc
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Filing: 1967-03-06
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Granted: 1971-07-20
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Expires: 1987-03-06
Abstract
Abstract A METHOD FOR MAKING A METAL BONDED ABRASIVE TOOL USING POWDERED METAL TEACHNIQUIES, THE TOOL HAVING A CONTROLLED DEGREE OF RELATIVE HARDNESS OF ITS CUTTING ACTION BUILT INTO THE TOOL DURING MANUFACTURE, THE CONTROL BEING ACCOMPLISHED BY PRODUCING A SPECIFIED POROSITY IN THE ABRASIVE SECTION OF THE TOOL, AND THEN INFILTRATING THE PORES WITH LIQUIFIED METAL PRODUCED DURING A SECOND PHASE OF THE SINTERING OPERATION, THE LIQUID METAL FOR INFILTRATING BEING DRAWN FROM THE SUPPORT BACKING FOR THE ABRASIVE TOOL.
Inventors
- 👤 Robert S Houston
- 👤 Reginald C Fisk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:53
CPC Classifications
B; B24; B24D; B24D18/00; B22; B22F; B22F7/00; B22F7/06; B22F7/08; B24D3/00; B24D3/02; B24D3/04; B24D3/06; B24D3/10; B24D3/34; B24D3/348; B22F5/00; B22F2005/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |