Pressure relief valve for use with concrete pumping system

Description

FIG. 1 front elevational view showing my new design,

FIG. 2 is a left side elevational view, it being understood that a right side elevational view is a mirror image hereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Claims

CLAIM I claim the ornamental design for a pressure relief valve for use with concrete pumping system, as shown and described.

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Inventors:	Drake; Robert A (Rocky River, OH)
Applicant:	Name City State Country Type Drake; Robert A Rocky River OH US
Appl. No.:	D/474,996
Filed:	April 16, 2015

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Current U.S. Class:	D23/235
Current International Class:	2301
Field of Search:	;D23/233-250 ;138/114 ;D15/9.2,19 ;137/615,625,874,15.09,2,565.01,565.11,884,565.12,625.45 ;417/900,516,519,532,510,454,342,517 ;251/5

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References Cited [Referenced By]

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U.S. Patent Documents

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2013/0034457	February 2013	Yi
2013/0180612	July 2013	Morrison

Primary Examiner: Ramirez; Cynthia
Assistant Examiner: Colan; Gino
Attorney, Agent or Firm: Burge; David A.