Patent
   D297347
Priority
Jan 17 1985
Filed
Jul 17 1985
Issued
Aug 23 1988
Expiry
Aug 23 2002
Assg.orig
Entity
unknown
1
4
n/a
The ornamental design for an ignition apparatus for blasting machine, as shown and described.

FIG. 1 is a top view of an ignition apparatus for blasting machine showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a rear view thereof; and

FIG. 5 is a right side view thereof, the left side view being a mirror image.

Gustafsson, Ake, Hallin, Sune

Patent Priority Assignee Title
D327853, Dec 08 1989 Oppama Industry Co., Ltd. Ignition checker
Patent Priority Assignee Title
D270142, May 13 1981 Cable Electric Products, Inc. Battery tester
D274893, Feb 26 1982 WESTRONICS INC Electrical measuring instrument
D278212, Apr 26 1982 Cable Electric Products, Inc. Battery tester
D293928, Mar 27 1984 NITRO NOBEL AB, A CORP OF SWEDEN Signal transmission device for blasting assembly
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 17 1985Nitro Nobel AB(assignment on the face of the patent)
Aug 23 1985GUSTAFSSON, AKENitro Nobel ABASSIGNMENT OF ASSIGNORS INTEREST 0044580260 pdf
Aug 23 1985HALLIN, SUNENitro Nobel ABASSIGNMENT OF ASSIGNORS INTEREST 0044580260 pdf
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