US3756796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a peripheral grinding wheel
Assignee: Super Cut Inc
•
Filing: 1971-06-16
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Granted: 1973-09-04
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Expires: 1991-06-16
Abstract
Abstract A METHOD OF MAKING AN INTERNALLY REINFORCED PERIPHERAL GRINDING WHEEL BY APPLYING RADIAL OUTWARD PRESSURE TO A MOLD MIXTURE CONFINED WITHIN AN ANNULAR RING IN THE PRESENCE OF HEAT.
Inventors
- 👤 H Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:20
CPC Classifications
B; B24; B24D; B24D18/00; B24D18/0009; B24D5/00; B24D5/02; B24D5/04
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) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |