Patent
   D304163
Priority
Jul 17 1986
Filed
Dec 11 1986
Issued
Oct 24 1989
Expiry
Oct 24 2003
Assg.orig
Entity
unknown
2
4
n/a
The ornamental design for an electromagnetic bell, as shown and described.

FIG. 1 is a front elevational view of an electromagnetic bell showing our new design, the rear being the same in appearance as the front;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

Kondo, Isao, Aizawa, Junichi, Yamauchi, Satoru, Kumazawa, Shoichiro

Patent Priority Assignee Title
D373546, Sep 24 1994 Star Micronics Co., Ltd. Audible signal for alarm units
D902063, Apr 01 2019 Arlo Technologies, Inc.; ARLO TECHNOLOGIES, INC Doorbell chime
Patent Priority Assignee Title
2189181,
2290717,
4300128, Sep 08 1980 Kobishi Electric Co., Ltd. Motor actuated bell
149907,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 11 1986Seikosha Co., Ltd.(assignment on the face of the patent)
Jun 01 1987AIZAWA, JUNICHISEIKOSHA CO , LTD , 6-21, KYOBASHI 2-CHOME, CHUO-KU, TOKYO, JAPANASSIGNMENT OF ASSIGNORS INTEREST 0047880723 pdf
Jun 01 1987KUMAZAWA, SHOICHIROSEIKOSHA CO , LTD , 6-21, KYOBASHI 2-CHOME, CHUO-KU, TOKYO, JAPANASSIGNMENT OF ASSIGNORS INTEREST 0047880723 pdf
Jun 01 1987YAMAUCHI, SATORUSEIKOSHA CO , LTD , 6-21, KYOBASHI 2-CHOME, CHUO-KU, TOKYO, JAPANASSIGNMENT OF ASSIGNORS INTEREST 0047880723 pdf
Jun 01 1987KONDO, ISAOSEIKOSHA CO , LTD , 6-21, KYOBASHI 2-CHOME, CHUO-KU, TOKYO, JAPANASSIGNMENT OF ASSIGNORS INTEREST 0047880723 pdf
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