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Patent
   D251783
Priority
Apr 22 1977
Filed
Apr 22 1977
Issued
May 08 1979
Expiry
May 08 1993
Inventors
Orn, Jan E.
Assg.orig
Telefonakt…
Assg.curr
Telefonakt…
Entity
unknown
Referenced by
2
References
4
Maint.:
n/a
The ornamental design for a combined microphone and loudspeaker for a communication radio installation, as shown.

FIG. 1 is a front view of a combined microphone and loudspeaker for a communication radio installation showing my design;

FIG. 2 is a perspective view showing the front, the top and one side of the combined microphone and loudspeaker for a communication radio installation;

FIG. 3 is a perspective view showing the rear, the bottom and the other side of the combined microphone and loudspeaker for a communication radio installation.
INVENTORS:

Orn, Jan E.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D556742, May 18 2006 Enter Tech Co., Ltd. Holder type music player
D936042, Mar 31 2021 SHENZHEN CASPER ELECTRONIC TECHNOLOGY CO., LTD Combined wireless microphone and transmitter set
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3976840, Jul 14 1975 Spencer, Cleveland Portable securities selector system
238684,
D245692, Aug 27 1975 General Research of Electronics, Inc. Microphone
D246780, Apr 30 1976 Heath Company Microphone/encoder module
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 22 1977Telefonaktiebolaget L M Ericsson(assignment on the face of the patent)
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