Patent
   D323376
Priority
Sep 30 1988
Filed
Sep 30 1988
Issued
Jan 21 1992
Expiry
Jan 21 2006
Assg.orig
Entity
unknown
2
14
n/a
The ornamental design for a knife gate valve, as shown and described.

FIG. 1 is a perspective view taken from the top, front and right side of a knife gate valve showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof, the left side being a mirror image of the side shown; and

FIG. 7 is a vertical sectional view taken along line 7--7 of FIG. 4.

Fukuchi, Masaharu

Patent Priority Assignee Title
8074962, Jul 22 2008 Rockler Companies, Inc. Dust collection blast gate with mount
D604828, Jul 22 2008 Rockler Comapnies, Inc. Dust collection adapter with blast gate
Patent Priority Assignee Title
1054150,
1801960,
2449145,
2913220,
3001758,
3069129,
3158352,
3333814,
3353786,
3386151,
3921957,
4651973, Aug 13 1984 Gate valves
4679770, May 09 1985 Crane Canada Inc. Gate valve for two way flow
4881719, Sep 23 1988 Gate valve
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 27 1988FUKUCHI, MASAHARUOKUMURA ENGINEERING WORKS CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST 0049620701 pdf
Sep 30 1988Okumura Engineering Works Co., Ltd.(assignment on the face of the patent)
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