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Patent
   D289759
Priority
Feb 23 1984
Filed
Jun 11 1984
Issued
May 12 1987
Expiry
May 12 2001
Inventors
Koob, Gunt…
Assg.orig
ELECTRON C…
Assg.curr
Electron C…
Entity
unknown
Referenced by
17
References
7
Maint.:
n/a
The ornamental design for an intercom room station unit, as shown.

FIG. 1 is a top perspective view of an intercom room station unit showing my new design; and

FIG. 2 is a bottom perspective view thereof.
INVENTORS:

Koob, Gunter H.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D305430, Nov 14 1986 Surface for a front panel for a video editing controller
D321686, Apr 07 1989 B.P.T. S.p.A. Intercommunications unit
D332100, Mar 06 1990 VALCOM, INC A VIRGINIA CORPORATION Speaker and control panel for an intercom
D480377, Feb 27 2002 Aiphone Co., Ltd. Interphone
D480702, Feb 27 2002 Aiphone Co., Ltd. Interphone
D500479, Feb 20 2004 PHC HOLDINGS CORPORATION Main unit of entrance television phone system
D500748, Dec 30 2003 PHC HOLDINGS CORPORATION Main unit and recording unit of entrance television phone system
D502156, Dec 29 2003 PHC HOLDINGS CORPORATION Main unit of entrance television phone system
D558733, Jul 24 2006 ARIDIAN TECHNOLOGY CO Housing for a radio device
D728509, Dec 28 2010 MOBOTIX AG Intercom system
D735160, Dec 28 2010 MOBOTIX AG Intercom system
D737240, Dec 28 2010 MOBOTIX AG Intercom system
D773428, Jun 29 2015 Aiphone Co., Ltd. Interphone collective entrance unit
D800686, Dec 28 2010 MOBOTIX AG Intercom system
D820804, May 01 2017 AIPHONE CO , LTD Intercom
D820805, May 01 2017 AIPHONE CO , LTD Intercom
D864146, May 01 2017 AIPHONE CO , LTD Intercom
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
4019139, Apr 28 1975 Yokogawa Electric Corporation Interaction multi-station alarm system
D244877,
D269780, Apr 02 1979 U.S. Philips Corporation Intercom speaker and receiver
D274518, Sep 04 1981 U.S. Philips Corporation Intercommunication apparatus
D278054, Oct 02 1981 Telefonaktiebolaget LM Ericsson Combined intercom and stand therefor
D281500, Nov 30 1982 Sharp Corporation Interphone
D281501, Nov 30 1982 Sharp Corporation Interphone
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 10 1984KOOB, GUNTER H ELECTRON CORPORATION AUST PTY LTD 1905 MALVERN ROAD EAST MALVERN, VICTORIA 3145, AUSTRALIAASSIGNMENT OF ASSIGNORS INTEREST 0042850187 pdf
Jun 11 1984Electron Corporation (Aust.) Pty. Ltd.(assignment on the face of the patent)
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