US3269813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive article containing zirconium tetrafluoride filler
Assignee: Milacron Inc
•
Filing: 1963-06-18
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Granted: 1966-08-30
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Expires: 1983-06-18
Abstract
No abstract record available.
Inventors
- 👤 Harry S Kibbey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:14
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/34; B24D3/342; B24D3/344
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
IN AN ABRASIVE ARTICLE ESSENTIALLY COMPOSED OF ABRASIVE GRAINS BONDED WITH A SYNTHETIC RESIN BOND HAVING A FILLER DISPERSED THERETHROUGH, THE IMPROVEMENT WHICH COMPRISES UTILIZING A FILLER CONTAINING ZIRCONIUM TETRAFLUORIDE.
Claim 2
Dependent Claim
30 words
IN AN ABRASIVE ARTICLE ESSENTIALLY COMPOSED OF ABRASIVE GRAINS BONDED WITH A SYNTHETIC RESIN BOND HAVING A FILLER DISPERSED THERETHROUGH, THE IMPROVEMENT WHICH COMPRISES UTILIZING A FILLER CONTAINING ZIRCONIUM TETRAFLUORIDE.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |