Patent
   D296232
Priority
Jul 09 1985
Filed
Jul 09 1985
Issued
Jun 14 1988
Expiry
Jun 14 2002
Assg.orig
Entity
unknown
6
14
n/a
The ornamental design for relief valve, substantially as shown and described.

FIG. 1 is a front elevational view of a relief valve showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof, the bottom being a mirror image of the top shown;

FIG. 5 is a cross sectional view taken along line V--V of FIG. 3; and

FIG. 6 is a left side elevational view thereof.

Crossman, Ray

Patent Priority Assignee Title
D334616, Jul 24 1989 OPALTECH PTY LTD , A CO OF QUEENSLAND AUSTRALIA Air intake control valve member for swimming pools and spas
D399921, Nov 13 1996 Campbell Manufacturing, LLC Valve flow diffuser
D520112, Sep 07 2004 Skimmer plug valve
D620556, Apr 26 2006 CHAPIN MANUFACTURING, INC Combined sprayer tank cap and pressure relief valve
D693429, Mar 22 2012 Reliance Worldwide Corporation Safety relief valve
D876587, Dec 01 2017 LEAFIELD MARINE LIMITED Pressure relief valve
Patent Priority Assignee Title
1833796,
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2138000,
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2174332,
2628868,
2781778,
3131718,
3335751,
4433702, Jul 06 1981 Baker International Corporation Fully opening flapper valve apparatus
226524,
232360,
D266019, Feb 19 1980 Propane tank safety pressure vent valve
D278551, May 19 1982 Relief valve
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