Patent US3280723A successfully refreshed from Google Patents.
US3280723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for preparing potato chips
Assignee: Schmidt Manufacturing Co
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Filing: 1964-03-03
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Granted: 1966-10-25
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Expires: 1984-03-03
Abstract
No abstract record available.
Inventors
- 👤 Clyde E Hughes
- 👤 Alton S Worsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:43
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/12; A47J37/1214; B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/25; B26D1/26; B26D1/28; B26D1/29; B26D7/00; B26D7/27; B26D2210/00; B26D2210/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
APPARATUS FOR PREPARING POTATO CHIPS COMPRISING, IN COMBINATION, A SLICING BLADE CARRIED BY A ROTATING DISC HAVING A SUBSTANTIALLY FLAT HORIZONTAL UPPER SURFACE, THE DISC HAVING THEREIN A SUBSTANTIALLY RADIAL SLOT ABOVE WHICH THE CUTTING EDGE OF THE BLADE IS POSITIONED AND THROUGH WHICH A SLICE OF POTATO MAY DROP, A RESERVOIR FOR PEELED RAW POTATOES LOCATED ABOVE THE PLANE OF REVOLUTION OF THE BLADE, AND MEANS DEFINING A PASSAGE LEADING TO THE FIELD OF ACTION OF THE BLADE, MEANS FOR DELIVERING POTATOES FROM THE RESERVOIR INTO THE ENTRANCE END OF THE PASSAGE, SAID PASSAGE HAVING SIDE WALLS AND A ROOF, THE SIDE WALLS BEING HELICALLY CURVED AND SO ARRANGED THAT THE SIDE WALLS OF THE PASSAGE PROGRESSIVELY DECREASE IN WIDTH IN THE DIRECTION OR ROTATION OF THE DISC WHILE THE ROOF OF THE PASSAGE PROGRESSIVELY APPROACHES THE SURFACE OF THE DISC, THE SURFACE OF THE DISC CONSTITUTING A FLOOR FOR THE PASSAGE WHEREBY THE FRICTIONAL DRAG EXERTED BY THE DISC TENDS TO CROWD A SINGLE
Claim 2
Dependent Claim
166 words
APPARATUS FOR PREPARING POTATO CHIPS COMPRISING, IN COMBINATION, A SLICING BLADE CARRIED BY A ROTATING DISC HAVING A SUBSTANTIALLY FLAT HORIZONTAL UPPER SURFACE, THE DISC HAVING THEREIN A SUBSTANTIALLY RADIAL SLOT ABOVE WHICH THE CUTTING EDGE OF THE BLADE IS POSITIONED AND THROUGH WHICH A SLICE OF POTATO MAY DROP, A RESERVOIR FOR PEELED RAW POTATOES LOCATED ABOVE THE PLANE OF REVOLUTION OF THE BLADE, AND MEANS DEFINING A PASSAGE LEADING TO THE FIELD OF ACTION OF THE BLADE, MEANS FOR DELIVERING POTATOES FROM THE RESERVOIR INTO THE ENTRANCE END OF THE PASSAGE, SAID PASSAGE HAVING SIDE WALLS AND A ROOF, THE SIDE WALLS BEING HELICALLY CURVED AND SO ARRANGED THAT THE SIDE WALLS OF THE PASSAGE PROGRESSIVELY DECREASE IN WIDTH IN THE DIRECTION OR ROTATION OF THE DISC WHILE THE ROOF OF THE PASSAGE PROGRESSIVELY APPROACHES THE SURFACE OF THE DISC, THE SURFACE OF THE DISC CONSTITUTING A FLOOR FOR THE PASSAGE WHEREBY THE FRICTIONAL DRAG EXERTED BY THE DISC TENDS TO CROWD A SINGLE
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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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |