Patent US3077706A successfully refreshed from Google Patents.
US3077706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic polishing device for metallographic specimens
Assignee: Curtiss Wright Corp
•
Filing: 1960-04-11
•
Granted: 1963-02-19
•
Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 William C Coons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:51
CPC Classifications
B; B24; B24B; B24B37/00; B24B37/04; B24B37/07; B24B37/10; B24B37/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN AN AUTOMATIC POLISHING DEVICE HAVING A ROTATABLE POLISHING WHEEL WITH A VERTICAL AXIS AND A HORIZONTAL POLISHING SURFACE, THE COMBINATION WITH SAID WHEEL OF AT LEAST ONE OSCILLATION GUIDE MEMBER DISPOSED ABOVE SAID WHEEL AND SUBSTANTIALLY PARALLEL WITH THE SURFACE THEREOF, SAID OSCILLATION GUIDE MEMBER HAVING A CONCAVELY ARCUATE FACE WITH A RADIUS OF CURVATURE APPROXIMATELY EQUAL TO THE RADIUS OF SAID WHEEL, SAID ARCUATE FACE HAVING THE CONCAVITY THEREOF OPPOSED TO THE DIRECTION OF ROTATION OF SAID WHEEL AND BEING APPROXIMATELY TANGENT AT ITS MID-
Claim 2
Dependent Claim
87 words
IN AN AUTOMATIC POLISHING DEVICE HAVING A ROTATABLE POLISHING WHEEL WITH A VERTICAL AXIS AND A HORIZONTAL POLISHING SURFACE, THE COMBINATION WITH SAID WHEEL OF AT LEAST ONE OSCILLATION GUIDE MEMBER DISPOSED ABOVE SAID WHEEL AND SUBSTANTIALLY PARALLEL WITH THE SURFACE THEREOF, SAID OSCILLATION GUIDE MEMBER HAVING A CONCAVELY ARCUATE FACE WITH A RADIUS OF CURVATURE APPROXIMATELY EQUAL TO THE RADIUS OF SAID WHEEL, SAID ARCUATE FACE HAVING THE CONCAVITY THEREOF OPPOSED TO THE DIRECTION OF ROTATION OF SAID WHEEL AND BEING APPROXIMATELY TANGENT AT ITS MID-
References Cited (Backward Citations)
DE881012C
Cited
US2627144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |