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Patent
   D307144
Priority
Dec 17 1986
Filed
Jun 17 1987
Issued
Apr 10 1990
Expiry
Apr 10 2004

TERM.DISCL.
Inventors
Hattori, A…
Assg.orig
NITSUKO CO…
Assg.curr
Nitsuko Co…
Entity
unknown
Referenced by
8
References
11
Maint.:
n/a
The ornamental design for a key telephone set, as shown and described.

FIGS. 1 and 2 are respectively front and rear elevational views of a key telephone set showing my new design;

FIGS. 3 and 4 are respectively top and bottom plan views thereof;

FIGS. 5 and 6 are respectively left and right side elevational views thereof; and

FIG. 7 is a perspective view thereof with handset shown inverted and spaced apart from the base.
INVENTORS:

Hattori, Akiyoshi

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D318661, Jul 16 1990 EON COMMUNICATIONS CORPORATION Telephone base
D320988, Jan 29 1990 VODAVI COMMUNICATIONS SYSTEMS, INC Telephone keyset
D326263, Jul 16 1990 EON COMMUNICATIONS CORPORATION Telephone base with display
D337584, Jun 18 1991 Nitsuko Corporation Telephone set
D339583, Aug 07 1991 Nitsuko Corporation Telephone set
D340053, Jul 18 1991 British Telecommunications plc Telephone base
D340715, Jul 18 1991 British Telecommunications plc Telephone base
D366484, Aug 15 1994 DAVAL TECHNOLOGIES, INC Telephone set
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
4602132, Sep 20 1983 NEC Infrontia Corporation Key telephone system
236627,
D282841, Feb 01 1983 Nitsuko Limited Key telephone set
D283508, Oct 03 1983 NIPPON TSUSHIN KOGYO KABUSHIKI KAISHA 260 KITAMIKATA, TAKATSU-KU, KAWASAKI-SHI, KANAGAWA 213, JAPAN A CORP OF JAPAN Key telephone set
D284079, Mar 18 1983 NEC Corporation Telephone instrument
D284188, Feb 28 1983 NEC Corporation Telephone instrument
D287012, May 23 1984 SANYO ELECTRIC CO ,LTD Telephone instrument
D287361, Mar 12 1984 Iwatsu Electric Co., Ltd. Handset and stand telephone unit
D293439, Jan 31 1986 Mitel Corporation Telephone set
D294350, Dec 23 1985 CODE-A-PHONE CORPORATION, A CORP OF DE Telephone instrument
D295514, Jul 18 1984 Nitsuko Limited Key telephone set
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 08 1987HATTORI, AKIYOSHINITSUKO CORPORATION, 260 KITAMIKATA, TAKATSU-KU, KAWASAKI, JAPANASSIGNMENT OF ASSIGNORS INTEREST 0047320037 pdf
Jun 17 1987Nitsuko Corporation(assignment on the face of the patent)
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