US3356599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for making annular cutting wheels
Assignee: Individual
•
Filing: 1965-06-10
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Granted: 1967-12-05
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Expires: 1985-06-10
Abstract
No abstract record available.
Inventors
- 👤 Shirley I Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:45
CPC Classifications
C; C25; C25D; C25D15/00; C25D15/02; B; B24; B24D; B24D18/00; B24D18/0018
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
THE METHOD OF FORMING AN ANNULAR CUTTING WHEEL COMPRISING PROVIDING A THIN FLAT ANNULAR METAL MEMBER, MASKING THE OPPOSITE SIDE OF SAID MEMBER TO EXPOSE LIMITED MARGINAL SURFACE PORTIONS EXTENDING FROM THE INNER ANNULAR EDGE THEREOF AND SAID INNER ANNULAR EDGE, ELECTRODEPOSITING ABRASIVE GRIT IN AN ELECROPLATED METAL MATRIX ON SAID EXPOSED MARGINAL SURFACE PORTIONS AND THE INNER ANNULAR EDGE OF SAID MEMBER, MASKING THE ENTIRE SURFACE PORTIONS ON EITHER SIDE OF SAID MEMBER AND THE GRIT DEPOSIT ON THE MARGINAL SURFACE PORTIONS THEREOF WHILE EXPOSING THE INNER ANNULAR EDGE OF SAID MEMBER AND THE GRIT DEPOSIT THEREON, AND ELECTRODEPOSITING ADDITIONAL ABRASIVE GRIT ON SAID LAST MENTIONED EXPOSED GRIT DEPOSIT TO PROVIDE A TOTAL GRIT DEPOSIT ON THE INNER ANNULAR EDGE OF SAID MEMBER HAVING A RADIAL EXTENT EQUAL TO A SUSTANTIAL MULTIPLE OF THE THICKNESS OF THE GRIT DEPOSIT ON THE OPPOSITE MARGINAL SURFACE PORTIONS OF SAID MEMBER.
Claim 2
Independent Claim
149 words
THE METHOD OF FORMING AN ANNULAR CUTTING WHEEL COMPRISING PROVIDING A THIN FLAT ANNULAR METAL MEMBER, MASKING THE OPPOSITE SIDE OF SAID MEMBER TO EXPOSE LIMITED MARGINAL SURFACE PORTIONS EXTENDING FROM THE INNER ANNULAR EDGE THEREOF AND SAID INNER ANNULAR EDGE, ELECTRODEPOSITING ABRASIVE GRIT IN AN ELECROPLATED METAL MATRIX ON SAID EXPOSED MARGINAL SURFACE PORTIONS AND THE INNER ANNULAR EDGE OF SAID MEMBER, MASKING THE ENTIRE SURFACE PORTIONS ON EITHER SIDE OF SAID MEMBER AND THE GRIT DEPOSIT ON THE MARGINAL SURFACE PORTIONS THEREOF WHILE EXPOSING THE INNER ANNULAR EDGE OF SAID MEMBER AND THE GRIT DEPOSIT THEREON, AND ELECTRODEPOSITING ADDITIONAL ABRASIVE GRIT ON SAID LAST MENTIONED EXPOSED GRIT DEPOSIT TO PROVIDE A TOTAL GRIT DEPOSIT ON THE INNER ANNULAR EDGE OF SAID MEMBER HAVING A RADIAL EXTENT EQUAL TO A SUSTANTIAL MULTIPLE OF THE THICKNESS OF THE GRIT DEPOSIT ON THE OPPOSITE MARGINAL SURFACE PORTIONS OF SAID MEMBER.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |