Patent
   D252516
Priority
Jun 15 1977
Filed
Jun 15 1977
Issued
Jul 31 1979
Expiry
Jul 31 1993
Assg.orig
Entity
unknown
2
9
n/a
The ornamental design for a flow control valve chamber for a concrete pump or the like, substantially as shown.

FIG. 1 is a top plan view of a flow control valve chamber for a concrete pump showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a rear elevational view thereof.

McGraw, John T.

Patent Priority Assignee Title
6629814, Aug 22 2000 BARNES INTERNATIONAL, INC Low profile pump
D480449, Apr 04 2002 Control valve
Patent Priority Assignee Title
3194271,
3295554,
3545893,
3829254,
202835,
202836,
DE1024299,
FR1280109,
26820,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 15 1977Thomsen Equipment Company(assignment on the face of the patent)
Mar 22 1983THOMSEN EQUIPMENT COMPANY, A CORP OF CA THOMSEN EQUIPMENT COMPANY, A CORP OF DEL ASSIGNMENT OF ASSIGNORS INTEREST 0041090426 pdf
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