Air purifier

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Description

FIG. 1 is a front elevation view of an air purifier showing my new design;

FIG. 2 is a side elevation view thereof, the opposite side being a mirror image of that shown.

FIG. 3 is a front perspective view thereof; and,

FIG. 4 is a rear elevation view thereof.

Referenced Cited
U.S. Patent Documents
D296468 June 28, 1988 Greubel
Other references
  • Rodale's New Shelter Magazine, Mar. 1986, p. 48, Romington Air Purifier 15 and Pollenex Pure Air 99, 13 upper middle side of page.
Patent History
Patent number: D330586
Type: Grant
Filed: May 3, 1990
Date of Patent: Oct 27, 1992
Inventor: Werner Kropf (3074 Muri)
Primary Examiner: Wallace Burke
Assistant Examiner: Lisa Lichtenstein
Law Firm: Arnold, White & Durkee
Application Number: 7/518,650
Classifications
Current U.S. Class: Air Cleaner (D23/364)