Patent
   D271586
Priority
Apr 30 1981
Filed
Oct 19 1981
Issued
Nov 29 1983
Expiry
Nov 29 1997
Assg.orig
Entity
unknown
5
4
n/a
The ornamental design for a combined vacuum pump and control valve therefor, substantially as shown and described.

FIG. 1 is a perspective view of a combined vacuum pump and control valve therefor showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear end elevational view thereof;

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

FIG. 5 is a front end elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

Ise, Yoji

Patent Priority Assignee Title
D295048, Oct 25 1985 Myotoku Ltd. Combined vacuum pump and control valves therefor
D295049, Oct 25 1985 Myotoku Ltd. Combined vacuum pump and control valve therefor
D295050, Oct 25 1985 Myotoku Ltd. Combined vacuum pump and control valves therefor
D295180, Oct 25 1985 Myotoku Ltd. Combined vacuum pump and control valves therefor
D416309, Jul 10 1996 SMC Corporation Electromagnetic valve
Patent Priority Assignee Title
3759560,
3785691,
215883,
JP52446905,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 07 1981ISE, YOJIMYOTOKU LTD ASSIGNMENT OF ASSIGNORS INTEREST 0039480433 pdf
Oct 19 1981Myotoku Ltd.(assignment on the face of the patent)
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