US3186134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge grinding
Assignee: Corning Glass Works
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Filing: 1962-02-26
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Granted: 1965-06-01
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Expires: 1982-02-26
Abstract
No abstract record available.
Inventors
- 👤 George E Bonin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:33
CPC Classifications
B; B24; B24B; B24B9/00; B24B9/02; B24B9/06; B24B9/08; B24B9/14; B24B9/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A METHOD OF PRODUCING A SMOOTH ROUNDED EDGE PORTION ON GLASS-LIKE ARTICLES TO BE CONVERTED INTO GLASS CERAMIC ARTICLES WHICH COMPRISES, ROTATING AN ARTICLE HAVING A SUBSTANTIALLY CIRCULAR PERIPHERAL SURFACE ABOUT AN AXIS PASSING THROUGH A CENTRAL PORTION THEREOF, RELATIVELY MOVING THE ROTATING ARTICLE INTO CONTACT WITH A REVOLVING ABRASIVE MEMBER, MAITAINING PERIPHERAL EDGE PORTIONS OF THE ROTATING ARTICLE IN CONSTANT CONTACT WITH THE REVOLVING ABRASIVE MEMBER WITH A CONSTANT PREDETERMINED PRESSURE WHILE PERMITTING THE AXIS OF ROTATION OF THE ARTICLE TO BE RELATIVELY DISPLACED WITH RESPECT TO THE CONTACTED PORTION OF THE REVOLVING ABRASIVE MEMBER TO COMPENSATE FOR IRREGULARITIES IN THE PERIPHERAL SURFACE OF THE ROTATING ARTICLE, AND WHILE IN CONTACT WITH THE REVOLVING ABRASIVE MEMBER PIVOTING THE ARTICLE ABOUT AN AXIS TANGENTIAL TO THE PERIPHERY OF THE ROTATING ARTICLE AT THE POINT OF CONTACT WITH THE REVOLVING ABRASIVE MEMBER TO A NEW PREDETERMINED POSITION, CONTINUING MAINTAINING THE ROTATING ARTICLE IN CONTACT WITH THE REVOLVING ABRASIVE MEMBER WHILE IN SUCH NEW POSITION WITH THE PREDETERMINED PRESSURE, AND RELATIVELY REMOVING THE ROTATING ARTICLE FROM CONTACT WITH THE REVOLVING ABRASIVE MEMBER.
Claim 2
Independent Claim
180 words
A METHOD OF PRODUCING A SMOOTH ROUNDED EDGE PORTION ON GLASS-LIKE ARTICLES TO BE CONVERTED INTO GLASS CERAMIC ARTICLES WHICH COMPRISES, ROTATING AN ARTICLE HAVING A SUBSTANTIALLY CIRCULAR PERIPHERAL SURFACE ABOUT AN AXIS PASSING THROUGH A CENTRAL PORTION THEREOF, RELATIVELY MOVING THE ROTATING ARTICLE INTO CONTACT WITH A REVOLVING ABRASIVE MEMBER, MAITAINING PERIPHERAL EDGE PORTIONS OF THE ROTATING ARTICLE IN CONSTANT CONTACT WITH THE REVOLVING ABRASIVE MEMBER WITH A CONSTANT PREDETERMINED PRESSURE WHILE PERMITTING THE AXIS OF ROTATION OF THE ARTICLE TO BE RELATIVELY DISPLACED WITH RESPECT TO THE CONTACTED PORTION OF THE REVOLVING ABRASIVE MEMBER TO COMPENSATE FOR IRREGULARITIES IN THE PERIPHERAL SURFACE OF THE ROTATING ARTICLE, AND WHILE IN CONTACT WITH THE REVOLVING ABRASIVE MEMBER PIVOTING THE ARTICLE ABOUT AN AXIS TANGENTIAL TO THE PERIPHERY OF THE ROTATING ARTICLE AT THE POINT OF CONTACT WITH THE REVOLVING ABRASIVE MEMBER TO A NEW PREDETERMINED POSITION, CONTINUING MAINTAINING THE ROTATING ARTICLE IN CONTACT WITH THE REVOLVING ABRASIVE MEMBER WHILE IN SUCH NEW POSITION WITH THE PREDETERMINED PRESSURE, AND RELATIVELY REMOVING THE ROTATING ARTICLE FROM CONTACT WITH THE REVOLVING ABRASIVE MEMBER.
References Cited (Backward Citations)
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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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |