Expandable element for holding a workpiece to be tooled
Jansson July 22, 1
U.S. patent number D256,021 [Application Number 05/865,888] was granted by the patent office on 1980-07-22 for expandable element for holding a workpiece to be tooled. Invention is credited to Sixten Jansson.
| United States Patent | D256,021 |
| Jansson | July 22, 1980 |
| **Please see images for: ( Certificate of Correction ) ** |
Expandable element for holding a workpiece to be tooled
Claims
The ornamental design for an expandable element for holding a workpiece to be tooled, as shown and described.
| Inventors: | Jansson; Sixten (950 10 Lulea, SE) |
|---|---|
| Appl. No.: | 05/865,888 |
| Filed: | December 29, 1977 |
| Current U.S. Class: | D15/140 |
| Current International Class: | D1509 |
| Field of Search: | ;D15/138,140,130 ;269/91,93,94,239 |
References Cited [Referenced By]
U.S. Patent Documents
| 4084803 | April 1978 | Beekenkamp |
| 4155542 | May 1979 | Jansson |
Assistant Examiner: Bullock; B. J.
Attorney, Agent or Firm: Littell; Nelson
Description
FIG. 1 is a perspective view of an expandable element for holding a workpiece to be tooled, showing my new design, shown in the extended position;
FIG. 2 is an enlarged perspective view thereof, shown in the retracted position.
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