US3090171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface measurement apparatus and control
Assignee: United Greenfield Corp
•
Filing: 1959-07-31
•
Granted: 1963-05-21
•
Expires: 1979-07-31
Abstract
No abstract record available.
Inventors
- 👤 Glen H Stimson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:14
CPC Classifications
B; B24; B24B; B24B49/00; B24B49/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
APPARATUS FOR SHAPING THE SURFACE OF A WORKPIECE COMPRISING A GRINDING WHEEL HAVING ABRASIVE SURFACE MEANS, MEANS FOR ROTATABLY SUPPORTING SAID GRINDING WHEEL IN A FIXED POSITION, SUPPORTING MEANS LINEALLY MOVABLE IN RELATION THE GRINDING WHEEL, WORKPIECE HOLDING MEANS PIVOTALLY MOUNTED ON SAID SUPPORTING MEANS TO MOVE THE WORKPIECE TO AND FROM SAID ABRASIVE SURFACE MEANS, INDEXING MEANS FOR FEEDING SAID WORKPIECE AGAINST SAID ABRASIVE SURFACE MEANS WITH SAID SUPPORTING MEANS IN A PRECISE RELATION WITH SAID ABRASIVE SURFACE MEANS, POSITION DETERMINING ELECTRICAL MEANS HAVING A CAPACITIVE MEMBER RIGIDLY MOUNTED ON SAID SUPPORTING MEANS ADJACENT TO SAID ABRASIVE SURFACE MEANS FOR DETERMINING THE POSITION OF SAID SUPPORT MEANS RELATIVE TO SAID ABRASIVE SURFACE MEANS AND CONTROL MEANS CONNECTED TO SAID ELECTRICAL MEANS TO RECEIVE A SIGNAL THEREFROM FOR POSITIONING SAID SUPPORTING MEANS IN PRECISE RELATION WITH SAID ABRASIVE SURFACE MEANS FOR ACCURATELY FORMING THE SURFACE ON THE WORKPIECE.
Claim 2
Dependent Claim
148 words
APPARATUS FOR SHAPING THE SURFACE OF A WORKPIECE COMPRISING A GRINDING WHEEL HAVING ABRASIVE SURFACE MEANS, MEANS FOR ROTATABLY SUPPORTING SAID GRINDING WHEEL IN A FIXED POSITION, SUPPORTING MEANS LINEALLY MOVABLE IN RELATION THE GRINDING WHEEL, WORKPIECE HOLDING MEANS PIVOTALLY MOUNTED ON SAID SUPPORTING MEANS TO MOVE THE WORKPIECE TO AND FROM SAID ABRASIVE SURFACE MEANS, INDEXING MEANS FOR FEEDING SAID WORKPIECE AGAINST SAID ABRASIVE SURFACE MEANS WITH SAID SUPPORTING MEANS IN A PRECISE RELATION WITH SAID ABRASIVE SURFACE MEANS, POSITION DETERMINING ELECTRICAL MEANS HAVING A CAPACITIVE MEMBER RIGIDLY MOUNTED ON SAID SUPPORTING MEANS ADJACENT TO SAID ABRASIVE SURFACE MEANS FOR DETERMINING THE POSITION OF SAID SUPPORT MEANS RELATIVE TO SAID ABRASIVE SURFACE MEANS AND CONTROL MEANS CONNECTED TO SAID ELECTRICAL MEANS TO RECEIVE A SIGNAL THEREFROM FOR POSITIONING SAID SUPPORTING MEANS IN PRECISE RELATION WITH SAID ABRASIVE SURFACE MEANS FOR ACCURATELY FORMING THE SURFACE ON THE WORKPIECE.
References Cited (Backward Citations)
CH89285A
Cited
US1549600A
Cited
US2010361A
Cited
US2116232A
Cited
US2108310A
Cited
US2423422A
Cited
US2843974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |