Patent US2863750A successfully refreshed from Google Patents.
US2863750A
Expired / Lapsed
US
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Method, composition and apparatus for mechanically setting or resetting diamond particles in a working surface
Assignee: Individual
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Filing: 1954-10-18
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Granted: 1958-12-09
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Expires: 1974-10-18
Abstract
No abstract record available.
Inventors
- 👤 Sheldon M Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:53
CPC Classifications
B; B24; B24D; B24D18/00; B24D18/0054
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
A METHOD OF MECHANICALLY SETTING DIAMOND PARTICLES IN AND RENEWING, THE SOLID WORKING SURFACE OF A METAL DIAMOND-ABRASIVE WHEEL CONSISTING ESSENTIALLY OF THE STEPS: APPLYING A MIXTURE, COMPRISING DIAMOND PARTICLES, GLASS PARTICLES OF A SIZE LARGER THAN SAID DIAMOND PARTICLES AND BEING FROM ABOUT 80 SCREEN TO ABOUT 120 SCREEN AND A CARRIER SELECTED FROM THE GROUP CONSISTING OF PETROLEUM JELLY AND A HEAVY GREASE, TO THE WORKING SURFACE OF SAID WHEEL; ROTATING SAID WHEEL AT A SPEED IN EXCESS OF ABOUT 300 R. P. M.; URGING A FREELY ROTATABLE ROLLER AGAINST SAID
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) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |