Patent US3209494A successfully refreshed from Google Patents.
US3209494A
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Method of and apparatus for grinding annular workpieces
Assignee: Milacron Inc
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Filing: 1962-10-15
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Granted: 1965-10-05
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Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 William B Seidel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:40
CPC Classifications
F; F15; F15B; F15B21/00; B; B23; B23B; B23B31/00; B23B31/02; B23B31/36; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/08; B24; B24B; B24B41/00; B24B41/06; B24B41/061; B24B41/067; B24B47/00; B24B47/02; B24B47/06; B24B47/20; B24B5/00; B24B5/01; B23Q2703/00; B23Q2703/02; B23Q2703/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN A MACHINE TOOL HAVING A ROTATABLE FACE PLATE ADAPTED TO RECEIVE THEREAGAINST ONE END OF AN ANNULAR WORKPIECE FOR ROTATION OF THE WORKPIECE DURING GRINDING, SAID MACHINE TOOL HAVING A ROTATABLE GRINDING WHEEL TO GRIND ONE OF THE PERIPHERAL SURFACES OF THE ANNULAR WORKPIECE, A WORKPIECE SUPPORT HAVING A SURFACE DEFINING IN CROSS SECTION A CIRCLE WITH A CENTER ON A PREDETERMINED AXIS AND HAVING A PLURALITY OF PASSAGES EXTENDING THERETHROUGH FOR CONNECTION DURING GRINDING TO A SOURCE OF FLUID UNDER PRESSURE, SAID PASSAGES TERMINATING RESPECTIVELY IN ANGULARLY SPACED OPENINGS IN SAID SUPPORT SURFACE AND EACH OF SAID PASSAGES RESTICTED BETWEEN THE
Claim 2
Dependent Claim
103 words
IN A MACHINE TOOL HAVING A ROTATABLE FACE PLATE ADAPTED TO RECEIVE THEREAGAINST ONE END OF AN ANNULAR WORKPIECE FOR ROTATION OF THE WORKPIECE DURING GRINDING, SAID MACHINE TOOL HAVING A ROTATABLE GRINDING WHEEL TO GRIND ONE OF THE PERIPHERAL SURFACES OF THE ANNULAR WORKPIECE, A WORKPIECE SUPPORT HAVING A SURFACE DEFINING IN CROSS SECTION A CIRCLE WITH A CENTER ON A PREDETERMINED AXIS AND HAVING A PLURALITY OF PASSAGES EXTENDING THERETHROUGH FOR CONNECTION DURING GRINDING TO A SOURCE OF FLUID UNDER PRESSURE, SAID PASSAGES TERMINATING RESPECTIVELY IN ANGULARLY SPACED OPENINGS IN SAID SUPPORT SURFACE AND EACH OF SAID PASSAGES RESTICTED BETWEEN THE
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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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |