USD214375S - Portable air filtration unit - Google Patents

Description

Des. 214,375 Patented June 10, 1969 United States Patent Ofifice PORTABLE AIR FILTRATION UNIT James V. Knab, Grand Rapids, Mich., assignor to Weber Showcase & Fixture Co., Div. of Walter Kidde & Company, Inc., Grand Rapids, Mich., a corporation of New York Filed Dec. 18, 1967, Ser. No. 9,813

Term of patent 14 years Int. Cl. D23-04 US. Cl. D23-149 Des. 214,375

PAGE 2 FIG. 1 is a side-elevational view of the portable air filtration unit embodying my new design;

FIG. 2 is a front-elevational view thereof;

FIG. 3 is a side-elevational view of the side thereof opposite from that illustrated in FIG. 1; and

FIG. 4 is a rear-elevational view thereof.

I claim:

The ornamental design for a portable air filtration unit, substantially as shown and described.

FIG.3.

References Cited UNITED STATES PATENTS 1,697,627 1/1929 Arnold 9-873 WALLACE R. BURKE, Primary Examiner.

SUSIE I. MERCER, Assistant Examiner.

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