US3376671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knife sharpener
Assignee: Sunbeam Corp
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Filing: 1966-01-10
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Granted: 1968-04-09
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Expires: 1986-01-10
Abstract
No abstract record available.
Inventors
- 👤 Gilbert R Wolter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:45
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/38; B24; B24B; B24B3/00; B24B3/36; B24B3/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A COMBINATION APPLIANCE HAVING CAN OPENING AND KNIFE SHARPENING MEANS COMPRISING A HOUSING ENCLOSING A MOTOR DRIVINGLY CONNECTED TO CAN OPENING MEANS, SAID MOTOR HAVING AN ARMATURE SHAFT SUPPORTING AT ONE END THEREOF AN ABRASIVE WHEEL WITHIN SAID HOUSING, A V-SHAPED KNIFE BLADE GUIDING SLOT FORMED IN ONE WALL OF SAID HOUSING, SAID ABRASIVE WHEEL EXTENDING INTO SAID SLOT THROUGH AN OPENING IN THE BOTTOM THEREOF, A COMBINED BLADE GUIDE AND COVER MOUNTED ON SAID HOUSING FOR SLIDABLE MOVEMENT IN SAID SLOT, SAID COVER MOVABLE BETWEEN A FIRST POSITION CLOSING SAID SLOT AND A SECOND POSITION IN WHICH THE WALLS OF SAID COVER AND THE CONVERGING WALLS OF SAID SLOT DEFINE A PAIR OF CONVERGING KNIFE BLADE GUIDING SLOTS THE PLANES OF WHICH INTERSECT OPPOSITE FACES OF SAID WHEEL.
Claim 2
Dependent Claim
129 words
A COMBINATION APPLIANCE HAVING CAN OPENING AND KNIFE SHARPENING MEANS COMPRISING A HOUSING ENCLOSING A MOTOR DRIVINGLY CONNECTED TO CAN OPENING MEANS, SAID MOTOR HAVING AN ARMATURE SHAFT SUPPORTING AT ONE END THEREOF AN ABRASIVE WHEEL WITHIN SAID HOUSING, A V-SHAPED KNIFE BLADE GUIDING SLOT FORMED IN ONE WALL OF SAID HOUSING, SAID ABRASIVE WHEEL EXTENDING INTO SAID SLOT THROUGH AN OPENING IN THE BOTTOM THEREOF, A COMBINED BLADE GUIDE AND COVER MOUNTED ON SAID HOUSING FOR SLIDABLE MOVEMENT IN SAID SLOT, SAID COVER MOVABLE BETWEEN A FIRST POSITION CLOSING SAID SLOT AND A SECOND POSITION IN WHICH THE WALLS OF SAID COVER AND THE CONVERGING WALLS OF SAID SLOT DEFINE A PAIR OF CONVERGING KNIFE BLADE GUIDING SLOTS THE PLANES OF WHICH INTERSECT OPPOSITE FACES OF SAID WHEEL.
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) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |