Patent
   D332791
Priority
Sep 10 1990
Filed
Sep 10 1990
Issued
Jan 26 1993
Expiry
Jan 26 2007
Assg.orig
Entity
unknown
4
7
n/a
The ornamental design for a concrete crusher, as shown and described.

FIG. 1 is a perspective view of a concrete crusher showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a is a rear view thereof;

FIG. 4 is right-side view thereof, the left-side view being a mirror image;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a sectional view thereof taken along line 7--7 in FIG. 2.

Kanzawa, Masaaki

Patent Priority Assignee Title
7264190, Jul 05 2005 PETRAM ENTERPRISES INC Material breaker system
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D823360, Jun 20 2017 Sandvik Intellectual Property AB Jaw crusher front frame end
Patent Priority Assignee Title
4519135, Sep 13 1982 LABOUNTY MANUFACTURING, INC Metal demolition shear
4776524, Dec 04 1985 Sakato Kousakusho Kabushiki Kaisha Crusher
4838493, Jun 10 1988 LABOUNTY MANUFACTURING, INC Concrete crusher
4951886, Sep 30 1988 Societe Ameca Concrete crusher
5004168, Nov 13 1989 DUDLEY SHEARING SALES LIMITED Crushing apparatus
D323169, Oct 11 1989 Nippon Pneumatic Manufacturing Co., Ltd. Crusher for use with a power shovel
D323170, Oct 11 1989 Nippon Pneumatic Manufacturing Co., Ltd. Crusher for use with a power shovel
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 06 1990KANZAWA, MASAAKISTONE IMPORT & DEVELOPMENT CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST 0054480725 pdf
Sep 06 1990KANZAWA, MASAAKIKabushiki Kaisha Sanki SeikoshoASSIGNMENT OF ASSIGNORS INTEREST 0054480725 pdf
Sep 10 1990Stone Import & Development Co., Ltd.(assignment on the face of the patent)
Sep 10 1990Kabushiki Kaisha Sanki Seikosho(assignment on the face of the patent)
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