Patent US3320702A successfully refreshed from Google Patents.
US3320702A
Expired / Lapsed
US
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Mechanism for grinding the covering on pressure rolls mounted on anti-friction bearings
Assignee: Spindelfabrik Suessen GmbH
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Filing: 1963-12-20
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Granted: 1967-05-23
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Expires: 1983-12-20
Abstract
No abstract record available.
Inventors
- 👤 Stahlecker Fritz
- 👤 Schafer Bruno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:16
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/35; B24B5/18; B24B5/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A GRINDING MECHANISM FOR PRESSURE ROLLS OF A DRAWING MECHANISM OF A SPINNING MACHINE, SAID PRESSURE ROLLS HAVING COVER MEANS AND BEING ROTATABLY MOUNTED, THE OPPOSITE END PORTIONS OF SAID PRESSURE ROLLS BEING FREE OF SAID COVER MEANS AND COMPRISING OUTER SURFACES, SAID GRINDING MECHANISM FOR SAID COVER MEANS COMPRISING A GRINDING WHEEL, SAID WHEEL ENGAGING AND GRINDING SAID COVER MEANS, AND A DRIVE ROLL FOR DRIVING SAID PRESSURE ROLL AND HAVING
Claim 2
Dependent Claim
72 words
A GRINDING MECHANISM FOR PRESSURE ROLLS OF A DRAWING MECHANISM OF A SPINNING MACHINE, SAID PRESSURE ROLLS HAVING COVER MEANS AND BEING ROTATABLY MOUNTED, THE OPPOSITE END PORTIONS OF SAID PRESSURE ROLLS BEING FREE OF SAID COVER MEANS AND COMPRISING OUTER SURFACES, SAID GRINDING MECHANISM FOR SAID COVER MEANS COMPRISING A GRINDING WHEEL, SAID WHEEL ENGAGING AND GRINDING SAID COVER MEANS, AND A DRIVE ROLL FOR DRIVING SAID PRESSURE ROLL AND HAVING
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) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |