US2505196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making abrasive articles
Assignee: Unifrax I LLC
•
Filing: 1943-09-24
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Granted: 1950-04-25
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Expires: 1963-09-24
Abstract
No abstract record available.
Inventors
- 👤 James C Mays
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:32
CPC Classifications
B; B24; B24D; B24D18/00; B24D18/0018
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
THE PROCESS OF MAKING THIN ABRASIVE ARTICLES SUCH AS CUT-OFF WHEELS WHICH COMPRISES PROVIDING A CONDUCTIVE PARTING LAYER ON A CONDUCTING SURFACE, DEPOSITING ABRASIVE GRAIN ON SAID PARTING LAYER, AND ELECTRODEPOSITING A METAL STRATUM ON SAID CONDUCTIVE PARTING LAYER AND AROUND SAID ABRASIVE PARTICLES.
Claim 2
Dependent Claim
44 words
THE PROCESS OF MAKING THIN ABRASIVE ARTICLES SUCH AS CUT-OFF WHEELS WHICH COMPRISES PROVIDING A CONDUCTIVE PARTING LAYER ON A CONDUCTING SURFACE, DEPOSITING ABRASIVE GRAIN ON SAID PARTING LAYER, AND ELECTRODEPOSITING A METAL STRATUM ON SAID CONDUCTIVE PARTING LAYER AND AROUND SAID ABRASIVE PARTICLES.
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) | 1953-04-24 | 1953-10-24 | 1954-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-24 | 1957-10-24 | 1958-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-24 | 1961-10-24 | 1962-04-25 | $7700.00 | Window Closed / Lapsed |