Portable air filtration unit
US D214375 S
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Description (OCR text may contain errors)
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.
The ornamental design for a portable air filtration unit, substantially as shown and described.
References Cited UNITED STATES PATENTS 1,697,627 1/1929 Arnold 9-873 WALLACE R. BURKE, Primary Examiner.
SUSIE I. MERCER, Assistant Examiner.