US3785938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making abrasive articles
Assignee: Individual
•
Filing: 1970-11-05
•
Granted: 1974-01-15
•
Expires: 1990-11-05
Abstract
Abstract DEPOSITING ABRASIVE PARTICLES, SUCH AS DIAMONDS, SILICON CARBIDE, TITANIUM CARBIDE, ALUMINUM OXIDE, OR MIXTURES THEREOF, IN A MATRIX OF ELECTROCHEMICALLY DEPOSITED METALS ON THE OUTER PERIPHERY AND/OR THE ADJACENT MARGINAL SIDE PORTIONS OF METAL (OR NON-METALS) BLANKS OR WHEELS.
Inventors
- 👤 A Sam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:18
CPC Classifications
B; B24; B24D; B24D18/00; B24D18/0018; C; C25; C25D; C25D15/00; C25D15/02
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) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |