Patent
   D370715
Priority
Jan 25 1995
Filed
Jan 25 1995
Issued
Jun 11 1996
Expiry
Jun 11 2010
Assg.orig
Entity
unknown
3
4
n/a
The ornamental design for a miniature pneumatic plug with by-pass conduit and retaining chain with ring, as shown and described.

FIG. 1 is a perspective view of a miniature pneumatic plug with by-pass conduit and retaining chain with ring showing my new design;

FIG. 2 is a top plan view of the plug body;

FIG. 3 is an end view thereof;

FIG. 4 is a side view thereof, the opposite side being a mirror image thereof;

FIG. 5 is an end view thereof, opposite to that shown in FIG. 3;

FIG. 6 is a bottom view thereof;

FIG. 7 is an end view of that shown in FIG. 1;

FIG. 8 is a side view thereof;

FIG. 9 is an end view opposite to that shown in FIG. 7; and,

FIG. 10 is an inflated view of a miniature pneumatic plug with by-pass conduit and retaining chain with ring positioned in a pipe.

The broken lines shown are for illustrative purposes only and forms no part of the claimed design.

Hamer, Ardwin J.

Patent Priority Assignee Title
D398380, Oct 16 1996 Cherne Industries Incorporated Pneumatic plug with large bypass
D610239, Jul 20 2007 Victor Equipment Company Purge tip
D613376, Aug 25 2008 Inflatable drain plug
Patent Priority Assignee Title
3763896,
4760868, Sep 21 1987 High confidence tube plug
5353842, Feb 20 1992 Inflatable plug for use in plugging a large diameter pipe
D351898, Jul 21 1992 BJ Services Company Foam disk pig
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 19 1995HAMER, ARDWIN J Cherne Industries IncorporatedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0073470328 pdf
Jan 25 1995Cherne Industries Incorporated(assignment on the face of the patent)
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