Patent
   D288708
Priority
Nov 27 1984
Filed
Nov 27 1984
Issued
Mar 10 1987
Expiry
Mar 10 2001
Assg.orig
Entity
unknown
1
11
n/a
The ornamental design for a piercing valve, as shown and described.

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

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

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

FIG. 7 is a right side elevational view thereof.

Cowan, Arnold A.

Patent Priority Assignee Title
D334050, Dec 12 1989 NORTHERN IRON AND BRASS FOUNDRY PTY LTD Combined pipe tapping saddle and seal
Patent Priority Assignee Title
3198206,
3252474,
3252475,
3428075,
3554217,
3973584, Feb 18 1975 GEM PRODUCTS, INC , A CORP OF CA Piercing valve for tapping pipelines
3978881, Jun 05 1975 ROBERTSHAW CONTROLS COMPANY, A CORP OF DE Gas line pierce valve
4204559, Apr 17 1978 Line tap valve
4415000, May 17 1982 KITZ CORPORATION, 3-17-9 MINAMI-AOYAMA, T-Joint fitting
4537214, Nov 19 1984 GEM Products, Inc. Single seal pipeline tapping fixture having secure valve
237883,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 12 1984COWAN, ARNOLD A GEM PRODUCTS, INC , A CORP OF CAASSIGNMENT OF ASSIGNORS INTEREST 0044490384 pdf
Nov 27 1984GEM Products, Inc.(assignment on the face of the patent)
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