Patent US3206786A successfully refreshed from Google Patents.
US3206786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buffing wheel
Assignee: Schaffner Manufacturing Co Inc
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Filing: 1959-07-16
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Granted: 1965-09-21
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Expires: 1979-07-16
Abstract
No abstract record available.
Inventors
- 👤 Ben P Sax
- 👤 Sylvester C Mockiewicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:19
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A BUFFING WHEEL COMPRISING A PLURALITY OF SUBSTANTIALLY FLAT, FLEXIBLE BUFFING ELEMENTS ARRANGED IN CONTIGUOUS GROUPS IN AN ANNULUS WITH THEIR FLAT SURFACES ORIENTED SUBSTANTIALLY IN RADIAL PLANES, EACH OF SAID ELEMENTS HAVING A SLOT THEREIN EXTENDING OUTWARDLY FROM ITS INNER EXTREMITY, THE SLOTS IN EACH GROUP OF ELEMENTS BEING COINCIDENT AND FORMING A CONTINUOUS LARGE SLOT, THE LARGE SLOTS IN EACH GROUP BEING AXIALLY STAGGERED WITH RESPECT TO THE LARGE SLOTS IN EACH OF THE IMMEDIATELY ADJOINING GROUPS, AND STHE INNER EXTREMITIES OF SAID ELEMENTS BEING ADHESIVELY INTERJOINED AND FORMING A RELATIVELY RIGID, HOLLOW SUPPORTING SHELL THROUGH WHICH SAID LARGE SLOTS RADIALLY EXTEND.
Claim 2
Dependent Claim
104 words
A BUFFING WHEEL COMPRISING A PLURALITY OF SUBSTANTIALLY FLAT, FLEXIBLE BUFFING ELEMENTS ARRANGED IN CONTIGUOUS GROUPS IN AN ANNULUS WITH THEIR FLAT SURFACES ORIENTED SUBSTANTIALLY IN RADIAL PLANES, EACH OF SAID ELEMENTS HAVING A SLOT THEREIN EXTENDING OUTWARDLY FROM ITS INNER EXTREMITY, THE SLOTS IN EACH GROUP OF ELEMENTS BEING COINCIDENT AND FORMING A CONTINUOUS LARGE SLOT, THE LARGE SLOTS IN EACH GROUP BEING AXIALLY STAGGERED WITH RESPECT TO THE LARGE SLOTS IN EACH OF THE IMMEDIATELY ADJOINING GROUPS, AND STHE INNER EXTREMITIES OF SAID ELEMENTS BEING ADHESIVELY INTERJOINED AND FORMING A RELATIVELY RIGID, HOLLOW SUPPORTING SHELL THROUGH WHICH SAID LARGE SLOTS RADIALLY EXTEND.
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |