Patent US3290831A successfully refreshed from Google Patents.
US3290831A
Expired / Lapsed
US
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Apparatus for grinding white sidewall tires
Assignee: Cooper Tire and Rubber Co
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Filing: 1964-06-22
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Granted: 1966-12-13
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Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Laube
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:45
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29D30/0633; B24; B24B; B24B5/00; B24B5/36; B24B5/366; B29D30/72; B29D2030/0634; B29D2030/0635
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
172 words
APPARATUS FOR FINISHING THE EDGES OF A CONTRASTING STRIPE IN THE SIDEWALL OF A PNEUMATIC TIRE, SAID APPARATUS COMPRISING MEANS FOR INFLATING THE TIRE AND FOR SUPPORTING THE TIRE FOR ROTATION ON ITS NORMAL AXIS, MEANS FOR ROTATING SAID SUPPORTING AND INFLATING MEANS ON THE NORMAL AXIS OF THE TIRE, A GRINDING WHEEL HAVING AN EDGE WITH AN AXIAL WIDTH EQUAL TO THE WIDTH OF THE STRIPE, MEANS MOUNTING SAID GRINDING WHEEL FOR ROTATION ON AN AXIS LYING SUBSTANTIALLY IN A SAME PLANE AS AND IN ANGULAR RELATIONSHIP TO THE AXIS OF ROTATION OF SAID CHUCK AND THE TIRE, MEANS FOR ROTATING SAID GRINDING WHEEL ON ITS AXIS, MANUALLY-OPERATED MEANS FOR CHANGING THE ANGULAR RELATIONSHIP OF THE AXIS OF SAID GRINDING WHEEL RELATIVE TO THE THE AXIS OF SAID CHUCK AND THE TIRE, MEANS FOR MOVING SAID GRINDING WHEEL TOWARD AND AWAY FROM A PLANE PERPENDICULAR TO THE AXIS OF SAID CHUCK AND THE TIRE, AND MOTOR-OPERATED ADJUSTABLE STOP MEANS FOR ADJUSTABLY LIMITING THE MOVEMENT OF SAID GRINDING WHEEL TOWARD THE TIRE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |