US3087803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diamond grinding wheel and compositions therefor
Assignee: Federal Screw Works
•
Filing: 1960-07-05
•
Granted: 1963-04-30
•
Expires: 1980-07-05
Abstract
No abstract record available.
Inventors
- 👤 John P Bakian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:05
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/34; B24D3/342; B24D3/344
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A RESINOID BONDED DIAMOND GRINDING WHEEL COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 10% TO ABOUT 30% DIAMONDS, ABOUT 7% TO ABOUT 15% OF A PHENOL-ALDEHYDE RESINOUS BONDING AGENT, ABOUT 10% TO ABOUT 55% OF A TOUGH FILLER AND ABOUT 5% TO ABOUUT 55% OF A HARD ABRASIVE SELECTED FROM THE GROUP CONSISTING OF TITANIUM CARBIDE, SILICON CARBIDE, TANTALUM CARBIDE, TUNGSTEN CARBIDE, ZIRCONIUM CARBIDE, CHROMIUM CARBIDE, BORON CARBIDE, TITANIUM NITRIDE AND ALUMINUM OXIDE, SAID TOUGH FILLER COMPRISING A PARTLY REDUCED FUSED MIXTURE OF ZIRCONIA AND TITANIA IN WHICH THE MOL. RATIO OF TITANIA TO ZIRCONIA IS WITHIN THE RANGE OF 1:9 TO 9:1, THE SUM OF SAID TOUGH FILLER AND SAID HARD ABRASIVE NOT EXCEEDING ABOUT 75%.
Claim 2
Dependent Claim
115 words
A RESINOID BONDED DIAMOND GRINDING WHEEL COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 10% TO ABOUT 30% DIAMONDS, ABOUT 7% TO ABOUT 15% OF A PHENOL-ALDEHYDE RESINOUS BONDING AGENT, ABOUT 10% TO ABOUT 55% OF A TOUGH FILLER AND ABOUT 5% TO ABOUUT 55% OF A HARD ABRASIVE SELECTED FROM THE GROUP CONSISTING OF TITANIUM CARBIDE, SILICON CARBIDE, TANTALUM CARBIDE, TUNGSTEN CARBIDE, ZIRCONIUM CARBIDE, CHROMIUM CARBIDE, BORON CARBIDE, TITANIUM NITRIDE AND ALUMINUM OXIDE, SAID TOUGH FILLER COMPRISING A PARTLY REDUCED FUSED MIXTURE OF ZIRCONIA AND TITANIA IN WHICH THE MOL. RATIO OF TITANIA TO ZIRCONIA IS WITHIN THE RANGE OF 1:9 TO 9:1, THE SUM OF SAID TOUGH FILLER AND SAID HARD ABRASIVE NOT EXCEEDING ABOUT 75%.
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |