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Publication numberUSD231928 S
Publication typeGrant
Publication dateJun 25, 1974
Filing dateSep 15, 1971
Publication numberUS D231928 S, US D231928S, US-S-D231928, USD231928 S, USD231928S
InventorsBarton R. Nelson
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Liquid flow control unit
US D231928 S
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

United States Patent 0 LIQUID FLOW CONTROL UNIT Barton R. Nelson, Portland, 0reg., assignor to Nelson Irrigation Corporation, Brimfield, Ill.

Filed Sept. 15, 1971, Ser. No. 180,940

Term of patent 14 years Int. Cl. D23-01 US. Cl. D23-1 FIG. 1 is a plan view of the outlet end of a liquid flow control unit showing my new design;

FIG. 2 is an elevational view thereof; and

FIG. 3 is a plan view of the inlet end thereof.

I claim:

The ornamental design for a liquid flow control unit, as shown.

Des. 231,928 Patented June 25, 1974 References Cited UNITED STATES PATENTS Ellis D234 Gavaza D23-4 Johnston 210-449 Johnson 210-449 Iafie 210-449 X Zockermann 210-449 X Wartius 138-45 Rimsha et a1. 138-45 X Dahl et a1 138-45 Dahl et al. 138-45 Fraser et al. 138-45 Fraser 138-45 Weese 138-45 JAMES R. LARGEN, Primary Examiner

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