US2579727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making an abrasive coated wheel
Assignee: GEN ABRASIVE Co Inc
•
Filing: 1949-12-09
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Granted: 1951-12-25
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Expires: 1969-12-09
Abstract
No abstract record available.
Inventors
- 👤 Carpenter Oliver John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:59
CPC Classifications
B; B24; B24D; B24D18/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE METHOD OF MAKING A SET UP ABRASIVE WHEEL WHICH COMPRISES ROLLING AN ADHESIVE COATED WHEEL IN A TROUGH CONTAINING A LAYER OF ABRASIVE GRAINS OF SUBSTANTIAL DEPTH AND DURING SAID ROLLPROJECTING FROM THE PERIPHERAL SURFACE OF THE STEM, THE OUTER SURFACES OF THE LOWER END PORTIONS OF SAID VANES AND MAXIMUM DIAMETER PORTIONS OF THE BIT DEFINING THE DIAMETER OF THE HOLE BEING BORED; EACH OF SAID VANES SPIRALLY RETREATING FROM ITS LOWER END TO ITS UPPER END WHEN VIEWED IN RELATION TO THE DIRECTION OF ROTATION OF THE STEM AND BIT DURING NORMAL BORING OPERATION, AND EACH HAVING A SLOPING NORMALLY LEADING SURFACE AND A RADIAL NORMALLY TRAILING SURFACE.
Claim 2
Independent Claim
111 words
THE METHOD OF MAKING A SET UP ABRASIVE WHEEL WHICH COMPRISES ROLLING AN ADHESIVE COATED WHEEL IN A TROUGH CONTAINING A LAYER OF ABRASIVE GRAINS OF SUBSTANTIAL DEPTH AND DURING SAID ROLLPROJECTING FROM THE PERIPHERAL SURFACE OF THE STEM, THE OUTER SURFACES OF THE LOWER END PORTIONS OF SAID VANES AND MAXIMUM DIAMETER PORTIONS OF THE BIT DEFINING THE DIAMETER OF THE HOLE BEING BORED; EACH OF SAID VANES SPIRALLY RETREATING FROM ITS LOWER END TO ITS UPPER END WHEN VIEWED IN RELATION TO THE DIRECTION OF ROTATION OF THE STEM AND BIT DURING NORMAL BORING OPERATION, AND EACH HAVING A SLOPING NORMALLY LEADING SURFACE AND A RADIAL NORMALLY TRAILING SURFACE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |