US3117398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor crystal slicing device
Assignee: Westinghouse Electric Corp
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Filing: 1962-03-27
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Granted: 1964-01-14
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Expires: 1982-03-27
Abstract
No abstract record available.
Inventors
- 👤 Meyerehoff Alfred
- 👤 Csakvari Tibor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:18
CPC Classifications
B; B28; B28D; B28D5/00; B28D5/0058; B28D5/02; B28D5/022; B28D5/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A SEMICONDUCTOR CRYSTAL SLICING DEVICE COMPRISING, IN COMBINATION, A SLICING WHEEL HAVING AN INTERNAL CUTTING EDGE; A WHEEL RIM MOUNT ATTACHED TO THE OUTER PERIPHERY OF THE WHEEL; DRIVING MEANS TO ROTATE THE WHEEL AND WHEEL MOUNT; HOUSING MEANS SUPPORTING THE WHEEL, WHEEL MOUNT AND DRIVING MEANS; A SLICE RETRIEVER ASSOCIATED WITH THE HOUSING MEANS AND HAVING A PORTION DISPOSED WITHIN AND CLOSELY ADJACENT TO THE INTERNAL CUTTING EDGE OF THE SLICING WHEEL AND COOPERATING THEREWITH TO RECEIVE THE CRYSTAL SLICES AFTER THEY ARE SEVERED AND ANOTHER PORTION TO CONVEY THEM OUTSIDE THE WHEEL; AND A CRYSTAL BAR HOLDER TO POSITION THE BAR IN A DESIRED POSITION TO THE CUTTING WHEEL FOR SLICING.
Claim 2
Dependent Claim
113 words
A SEMICONDUCTOR CRYSTAL SLICING DEVICE COMPRISING, IN COMBINATION, A SLICING WHEEL HAVING AN INTERNAL CUTTING EDGE; A WHEEL RIM MOUNT ATTACHED TO THE OUTER PERIPHERY OF THE WHEEL; DRIVING MEANS TO ROTATE THE WHEEL AND WHEEL MOUNT; HOUSING MEANS SUPPORTING THE WHEEL, WHEEL MOUNT AND DRIVING MEANS; A SLICE RETRIEVER ASSOCIATED WITH THE HOUSING MEANS AND HAVING A PORTION DISPOSED WITHIN AND CLOSELY ADJACENT TO THE INTERNAL CUTTING EDGE OF THE SLICING WHEEL AND COOPERATING THEREWITH TO RECEIVE THE CRYSTAL SLICES AFTER THEY ARE SEVERED AND ANOTHER PORTION TO CONVEY THEM OUTSIDE THE WHEEL; AND A CRYSTAL BAR HOLDER TO POSITION THE BAR IN A DESIRED POSITION TO THE CUTTING WHEEL FOR SLICING.
References Cited (Backward Citations)
US1940188A
Cited
US3039235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |