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Publication numberUSD214375 S
Publication typeGrant
Publication dateJun 10, 1969
Filing dateDec 18, 1967
Publication numberUS D214375 S, US D214375S, US-S-D214375, USD214375 S, USD214375S
InventorsJames V. Knab
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Portable air filtration unit
US D214375 S
Abstract  available in
Previous page
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Claims  available in
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.

I claim:

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.