Patent
   D259507
Priority
Sep 15 1978
Filed
Sep 15 1978
Issued
Jun 09 1981
Expiry
Jun 09 1995
Assg.orig
Entity
unknown
3
6
n/a
The ornamental design for a tubocharger by-pass valve, as shown and described.

FIG. 1 is a perspective view of a tubocharger by-pass valve showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

Keller, Robert A., MacInnes, Hugh

Patent Priority Assignee Title
D282393, Apr 01 1983 Qualitrol Corporation Combined pressure relief valve and clamp
D728743, Apr 26 2013 LEAFIELD MARINE LIMITED Combined inflation and deflation valve
D876587, Dec 01 2017 LEAFIELD MARINE LIMITED Pressure relief valve
Patent Priority Assignee Title
2564569,
2615468,
3550625,
3593958,
4098487, Mar 03 1976 Hoerbiger Ventilwerke Aktiengesellschaft Device for controlling oil injection to a screw compressor
D251677, Jun 23 1977 FILLPRO PRODUCTS, INC Fill valve
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 15 1978Roto-Master, Inc.(assignment on the face of the patent)
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