Patent
   D350704
Priority
Apr 12 1993
Filed
Apr 12 1993
Issued
Sep 20 1994
Expiry
Sep 20 2008
Assg.orig
Entity
unknown
2
7
n/a
The ornamental design for a pneumatic test plug, as shown and described.

FIG. 1 is a front elevation view of a pneumatic test plug showing our new design, the rear elevation view being a mirror image thereof;

FIG. 2 is a side elevation view showing the pneumatic test plug of FIG. 1, the opposite side elevation view being a mirror image thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

The broken line showing of a product warning tag in FIG. 1 is for illustrative purposes only and forms no part of the claimed design.

Mathison, Allen D., Benson, Bryan R., Bevacco, Marc P.

Patent Priority Assignee Title
5771937, Dec 13 1996 MCP Industries, Inc. Pipe plug and method
D398380, Oct 16 1996 Cherne Industries Incorporated Pneumatic plug with large bypass
Patent Priority Assignee Title
4122869, Nov 12 1976 MULLIS, O J ; CORNER STONE PRODUCTS COMPANY, INC , A CORP OF FL Closure plug assembly
4203473, Nov 12 1976 MULLIS, O J ; CORNER STONE PRODUCTS COMPANY, INC , A CORP OF FL Closure plug assembly
4417598, Feb 02 1983 Pneumatic valve
4608858, Nov 05 1984 Pneumatic test plug
4658861, Jan 23 1986 MULLIS, O J ; CORNER STONE PRODUCTS COMPANY, INC , A CORP OF FL Test plug assembly
D261240, Jun 28 1979 New Era Products, Inc. Battery tester
D340197, Feb 05 1992 Sure ground test light
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 03 1993BENSON, BRYAN R Cherne Industries IncorporatedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065690390 pdf
Apr 12 1993Cherne Industries Incorporated(assignment on the face of the patent)
Apr 12 1993MATHISON, ALLEN D Cherne Industries IncorporatedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065690390 pdf
Apr 12 1993BEVACCO, MARC P Cherne Industries IncorporatedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065690390 pdf
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