Patent
   D253704
Priority
May 20 1977
Filed
May 20 1977
Issued
Dec 18 1979
Expiry
Dec 18 1993
Assg.orig
Entity
unknown
7
11
n/a
The ornamental design for a flapper valve housing for a concrete pump or the like, substantially as shown.

FIG. 1 is a top plan view of the flapper valve housing for a concrete pump, or the like, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a sectional view taken on line 7--7 of FIG. 1.

McGraw, John T.

Patent Priority Assignee Title
6050662, Apr 22 1998 Sta-Rite Industries, LLC Modular system board
6305767, Apr 18 1998 Sta-Rite Industries, LLC Modular system board
6834768, Aug 01 2002 Sta-Rite Industries, LLC Comestible fluid rack and rail apparatus and method
7225936, Aug 01 2002 Sta-Rite Industries, LLC Comestible fluid rack and rail apparatus and method
8172190, Dec 14 2006 Xylem IP Holdings LLC Pump mounting bracket having stationary and flexible hooks inwardly extending towards one another
8714501, Dec 14 2006 Xylem IP Holdings LLC Mounting bracket for a pump
D410470, Apr 22 1998 Shurflo Pump Manufacturing Co Modular pump system board
Patent Priority Assignee Title
3194271,
3295554,
3545893,
3829254,
202835,
202836,
235545,
238424,
DE1024299,
FR1280109,
26820,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 20 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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