Electrostatic filter

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Description

FIG. 1 is a front perspective view of an electrostatic filter showing my new design;

FIG. 2 is a rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
D248869 August 8, 1978 Risher
D258686 March 24, 1981 Johnson
3861894 January 1975 Marsh
3930818 January 6, 1976 McDougall
3954427 May 4, 1976 Jenn
4301095 November 17, 1981 Mettler et al.
Patent History
Patent number: D277310
Type: Grant
Filed: Jun 11, 1982
Date of Patent: Jan 22, 1985
Inventor: Bertil Jacobsson (53100 Lidkoping)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lynn Wilder
Law Firm: LeBlanc, Nolan, Shur & Nies
Application Number: 6/387,475
Classifications
Current U.S. Class: D23/149