US3283448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic bonded abrasive article
Assignee: Bay State Abrasive Products Co
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Filing: 1964-08-14
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Granted: 1966-11-08
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Expires: 1984-08-14
Abstract
No abstract record available.
Inventors
- 👤 John R Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:14
CPC Classifications
C; C22; C22C; C22C32/00; C22C32/0094; B; B24; B24D; B24D3/00; B24D3/34; B24D3/342; B24D3/344
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
AN ABRASIVE ARTICLE, COMPRISING: (A) A CORE CONSISTING OF A POWDER OF A SUBSTANCE HAVING A THERMAL CONDUCTIVITY OF 0.500 CAL./CM.2/CM./ SEC/*C. AT 68*F. OR GREATER IN AN AMOUNT IN THE RANGE FROM 80% TO 95% BY WEIGHT AND THE REMAINDER RESIN, AND (B) A RIM ATTACHED TO THE CORE CONSISTING OF 70% TO 85% BY WEIGHT OF THE SAID POWDER, 8% TO 16% BY WEIGHT OF RESINN, AND THE REMAINDER A MATERIAL SELECTED FROM THE GROUP CONSISTING OF DIAMOND AND ALUMINUM OXIDE.
Claim 2
Dependent Claim
83 words
AN ABRASIVE ARTICLE, COMPRISING: (A) A CORE CONSISTING OF A POWDER OF A SUBSTANCE HAVING A THERMAL CONDUCTIVITY OF 0.500 CAL./CM.2/CM./ SEC/*C. AT 68*F. OR GREATER IN AN AMOUNT IN THE RANGE FROM 80% TO 95% BY WEIGHT AND THE REMAINDER RESIN, AND (B) A RIM ATTACHED TO THE CORE CONSISTING OF 70% TO 85% BY WEIGHT OF THE SAID POWDER, 8% TO 16% BY WEIGHT OF RESINN, AND THE REMAINDER A MATERIAL SELECTED FROM THE GROUP CONSISTING OF DIAMOND AND ALUMINUM OXIDE.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |