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Patent
   D273109
Priority
Jan 07 1981
Filed
Jan 07 1981
Issued
Mar 20 1984
Expiry
Mar 20 1998
Inventors
Breger, Ca…
Assg.orig
Telefonakt…
Assg.curr
Telefonakt…
Entity
unknown
Referenced by
19
References
4
Maint.:
n/a
The ornamental design for a combined control device and display unit for telephone exchange, as shown and described.

FIG. 1 is a top front perspective view of a combined control device and display unit for a telephone exchange;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear perspective view thereof; and

FIG. 4 is a rear perspective view of the control device, shown separately for clarity of illustration.
INVENTORS:

Breger, Carl-Arne

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D277569, Sep 01 1982 AG COMMUNICATION SYSTEMS CORPORATION, 2500 W UTOPIA RD , PHOENIX, AZ 85027, A DE CORP Housing for a busy lamp display unit
D278902, Dec 16 1982 SECURITY TECHNOLOGY LIMITED, A CA LIMITED PARTNERSHIP Cabinet for a communication control system or the like
D281421, Sep 29 1982 Applied Computer, Inc. Automated telephone communicating machine
D289284, Jan 30 1986 AT&T Company and AT&T Information Systems Inc. Panel for a public video terminal enclosure
D289285, Jan 30 1986 AT&T Company and AT&T Information Systems Inc. Panel for a public video terminal enclosure
D293101, May 09 1985 Automatic Dialer Partners Ltd. Combined repertory telephone dialer and electronic desk directory
D294701, Mar 29 1985 Casio Computer Co., Ltd. Portable television set
D313600, Jun 23 1988 IPC INFORMATION SYSTEMS, LLC Telephone control module
D313601, Jun 23 1988 IPC INFORMATION SYSTEMS, LLC Forty-button auxiliary telephone module with single screen
D313602, Jun 23 1988 IPC INFORMATION SYSTEMS, LLC Forty button auxiliary telephone module
D315721, Nov 09 1987 Binagraphics, Inc. Combined telephone, computer and modem
D317302, Feb 22 1989 Hitachi, Ltd. Portable computer
D320211, Dec 12 1989 Kabushiki Kaisha Toshiba Telephone transferring switchboard
D337999, Nov 27 1990 Electronic price display for grocery store counter
D344733, Jun 25 1990 Mototola, Inc. Communication system display module
D357426, Dec 01 1993 Utility meter and display
D368713, Feb 24 1995 Portable telephone
D373109, Apr 25 1994 Computerized music recording and playback system
D439223, Apr 05 2000 Multiple monitor video editing device
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
202555,
D259933, Dec 18 1978 TIE/Communications, Inc. Direct station selection console
D265314, Jul 19 1979 Sharp Corporation Information input and output machine
D266762, May 16 1980 Mitel Corporation Telephone line and trunk status display
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 18 1980BREGER CARL-ARNETelefonaktiebolaget L M EricssonASSIGNMENT OF ASSIGNORS INTEREST 0038560196 pdf
Jan 07 1981Telefonaktiebolaget L M Ericsson(assignment on the face of the patent)
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