Fluid filter

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Description

FIG. 1 is a top plan view of a fluid filter showing my new design;

FIG. 2 is a side elevational view thereof; and

FIG. 3 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
520168 May 1894 Postlehwaite
1768350 June 1930 Chase
2390841 December 1945 Longden
2532177 November 1950 Maunula
2748947 June 1956 Say
2939011 May 1960 Bisso et al.
2983336 May 1961 Kolbe
3524548 August 1970 McDonald et al.
3572508 March 1971 Rice
3747761 July 1973 Heinrich, Jr.
3970557 July 20, 1976 Shoup
Other references
  • Nylon Filter Corp. Brochure reed 11/25/70, p. 4, items Nos. 101 & 102, p. 5, Nos. 116 & 119.
Patent History
Patent number: D246109
Type: Grant
Filed: Mar 23, 1976
Date of Patent: Oct 18, 1977
Inventor: Nils O. Rosaen (Bloomfield, MI)
Primary Examiner: James R. Largen
Attorney: Ernest I. Gifford
Application Number: 5/670,429
Classifications
Current U.S. Class: D23/4
International Classification: D2301;