High-efficient charcoal filter or the like

Description

FIG. 1 is a front elevational view of a high-efficient charcoal filter or the like showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view thereof, the opposite side being substantially a mirror image thereof; and

FIG. 4 is a top plan view thereof; and

FIG. 5 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
3354623 November 1967 Keller
3793813 February 1974 McAllister
3853519 December 1974 York, Jr.
3871849 March 1975 Smith et al.
4177050 December 4, 1979 Culbert et al.
Patent History
Patent number: D278553
Type: Grant
Filed: May 28, 1982
Date of Patent: Apr 23, 1985
Assignee: Charcoal Service Corporation (Bath, NC)
Inventor: John L. Cherry (Washington, NC)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lynn Wilder
Law Firm: Mills & Coats
Application Number: 6/383,283
Classifications
Current U.S. Class: D23/149