Screen element for screening machines
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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.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| 3193098 | May 1962 | Bingham |
| 3980555 | September 14, 1976 | Freissle |
| 4141821 | February 27, 1979 | Wolff |
| 4219412 | August 26, 1980 | Hassall |
| 4486302 | December 4, 1984 | Jorgensen |
| 4661245 | April 28, 1987 | Rutherford et al. |
| 2754374 | June 1979 | DEX |
| 2924571 | January 1981 | DEX |
| 208470 | October 1966 | SEX |
| 84/02290 | June 1984 | WOX |
Patent History
Patent number: D302019
Type: Grant
Filed: Sep 6, 1988
Date of Patent: Jul 4, 1989
Assignee: Trelleborg AB (Trelleborg)
Inventor: Bengt L. A. Dehlen (Trelleborg)
Primary Examiner: A. Hugo Word
Law Firm: Beveridge, DeGrandi & Weilacher
Application Number: 7/240,828
Type: Grant
Filed: Sep 6, 1988
Date of Patent: Jul 4, 1989
Assignee: Trelleborg AB (Trelleborg)
Inventor: Bengt L. A. Dehlen (Trelleborg)
Primary Examiner: A. Hugo Word
Law Firm: Beveridge, DeGrandi & Weilacher
Application Number: 7/240,828
Classifications
