USD239941S - - Google Patents
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- Publication number
- USD239941S USD239941S US D239941 S USD239941 S US D239941S
- Authority
- US
- United States
- Prior art keywords
- check valve
- view taken
- line check
- view
- perspective
- Prior art date
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- 102100017208 PRR16 Human genes 0.000 description 1
- 101710028350 PRR16 Proteins 0.000 description 1
- 235000020004 porter Nutrition 0.000 description 1
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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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