Patent US3292312A successfully refreshed from Google Patents.
US3292312A
Expired / Lapsed
US
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Method of abrading a workpiece
Assignee: Rapier Barre and Rapier
•
Filing: 1965-01-12
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Granted: 1966-12-20
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Expires: 1985-01-12
Abstract
No abstract record available.
Inventors
- 👤 John Y Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:20
CPC Classifications
B; B24; B24B; B24B37/00; B24B37/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A METHOD OF ABRADING A WORKPIECE ON A PLANAR ACTIVE ABRADING SURFACE, COMPRISING THE STEPS OF: PLACING A WORKPIECE TO BE ABRADED UPON SAID ABRADING SURFACE WITH A SURFACE OF SAID WORKPIECE CONTACTING SAID ACTIVE ABRADING SURFACE; APPLYING PRESSURE TO SAID WORKPIECE TO PRESS SAID WORKPIECE SURFACE AGAINST SAID ACTIVE ABRADING SURFACE; ROTATING SAID ABRADING SURFACE ABOUT AN IMAGINARY CENTRAL AXIS; REVOLVING SAID WORKPIECE ABOUT SAID IMAGINARY CENTRAL AXIS AS SAID ABRADING SURFACE ROTATES; AND, PREVENTING SAID WORKPIECE FROM ROTATING ABOUT ITS OWN AXIS WHILE IT REVOLVES ABOUT SAID IMAGINARY CENTRAL AXIS, THEREBY MAINTAINING SAID WORKPIECE IN SUBSTANTIALLY FIXED ORIENTATION EVEN WHILE SAID WORKPIECES SURFACE IS BEING ABRADED BY SAID ACTIVE ABRADING SURFACE.
Claim 2
Independent Claim
113 words
A METHOD OF ABRADING A WORKPIECE ON A PLANAR ACTIVE ABRADING SURFACE, COMPRISING THE STEPS OF: PLACING A WORKPIECE TO BE ABRADED UPON SAID ABRADING SURFACE WITH A SURFACE OF SAID WORKPIECE CONTACTING SAID ACTIVE ABRADING SURFACE; APPLYING PRESSURE TO SAID WORKPIECE TO PRESS SAID WORKPIECE SURFACE AGAINST SAID ACTIVE ABRADING SURFACE; ROTATING SAID ABRADING SURFACE ABOUT AN IMAGINARY CENTRAL AXIS; REVOLVING SAID WORKPIECE ABOUT SAID IMAGINARY CENTRAL AXIS AS SAID ABRADING SURFACE ROTATES; AND, PREVENTING SAID WORKPIECE FROM ROTATING ABOUT ITS OWN AXIS WHILE IT REVOLVES ABOUT SAID IMAGINARY CENTRAL AXIS, THEREBY MAINTAINING SAID WORKPIECE IN SUBSTANTIALLY FIXED ORIENTATION EVEN WHILE SAID WORKPIECES SURFACE IS BEING ABRADED BY SAID ACTIVE ABRADING SURFACE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |