USD239941S - - Google Patents

Description

United States Patent Des. 239,941

Patented May IN-LINE CHECK VALVE William V. Porter, The Porter Company, 1620 S.

Seguin Ave., New Braunfels, Tex.

Filed Mar. 21, 1975, Ser. No. 560,578

Term of patent 14 years Int. Cl. D230I US. Cl. D23-22 FIG. 1 is a top plan view of an in-line check valve showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is another side elevational view taken 90 degrees from that shown in FIG. 2;

FIG. 5 is a perspective view taken from the top thereof; and

FIG. 6 is a perspective view taken from the bottom thereof.

I claim:

The ornamental design for an in-line check valve, as shown.

FIG. 4

References Cited UNITED STATES PATENTS D. 208,225 8/1967 Dudley D2319 D. 233,888 12/1974 Hnatko D23--28 1,379,474 5/1921 Osborno 137--337 1,977,937 10/1934 Frans 137-537 X 2,996,077 8/1961 Taggert 137-537 3,336,942 8/1967 Keith et a1. l37537 X 3,661,175 5/1972 Tillman 137-537 X JAMES R. LARGEN, Primary Examiner

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