Screen element for screening machines
Dehlen July 4, 1
U.S. patent number D302,019 [Application Number 07/240,828] was granted by the patent office on 1989-07-04 for screen element for screening machines. This patent grant is currently assigned to Trelleborg AB. Invention is credited to Bengt L. A. Dehlen.
| United States Patent | D302,019 |
| Dehlen | July 4, 1989 |
Screen element for screening machines
Claims
The ornamental design for a screen element for screening machines, as shown.
| Inventors: | Dehlen; Bengt L. A. (Trelleborg, SE) |
|---|---|
| Assignee: | Trelleborg AB (Trelleborg,
SE) |
| Appl. No.: | 07/240,828 |
| Filed: | September 6, 1988 |
Foreign Application Priority Data
| Mar 8, 1988 [SE] | 88-0570 | |||
| Current U.S. Class: | D15/147; D25/156 |
| Field of Search: | ;D15/147 ;209/233,363,394,395,397,398,399,404,405,408,409,411,412,413,414 ;D25/138,153,156 |
References Cited [Referenced By]
U.S. Patent Documents
| 3193098 | May 1962 | Bingham |
| 3980555 | September 1976 | Freissle |
| 4141821 | February 1979 | Wolff |
| 4219412 | August 1980 | Hassall |
| 4486302 | December 1984 | Jorgensen |
| 4661245 | April 1987 | Rutherford et al. |
| 2754374 | Jun 1979 | DE | |||
| 2924571 | Jan 1981 | DE | |||
| 208470 | Oct 1966 | SE | |||
| 84/02290 | Jun 1984 | WO | |||
Attorney, Agent or Firm: Beveridge, DeGrandi & Weilacher
Description
FIG. 1 is a top perspective view of a screen element for screening machines showing my new design; and
FIG. 2 is a bottom perspective view thereof.
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