Patent
   D308853
Priority
Sep 11 1987
Filed
Dec 17 1987
Issued
Jun 26 1990
Expiry
Jun 26 2004
Assg.orig
Entity
unknown
3
4
n/a
The ornamental design for an electric safety switch, as shown and described.

FIG. 1 is a perspective view of an electric safety switch showing my new design;

FIG. 2 is a first side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a second side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a front elevational view thereof.

Maass, Rudolf

Patent Priority Assignee Title
D823267, Jun 30 2017 Ningbo Dooya Mechanic & Electronic Technology Co., Ltd. Switch
ER8635,
ER9968,
Patent Priority Assignee Title
1917909,
2761028,
2777023,
D246241, Apr 05 1976 JDS Products, Inc. Combination plug and power cut-off unit
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 10 1987MAASS, RUDOLFROBERT KRUPS STIFTUNG & CO KG , HERESBACHSTRASSE 29, D-5650 SOLINGEN 19, FEDERAL REPUBLIC GERMANY, A COMPANY OF GERMANYASSIGNMENT OF ASSIGNORS INTEREST 0048050681 pdf
Dec 17 1987Robert Krups Stiftung & Co. KG.(assignment on the face of the patent)
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