Patent
   D267173
Priority
Dec 29 1980
Filed
Dec 29 1980
Issued
Dec 07 1982
Expiry
Dec 07 1996
Assg.orig
Entity
unknown
6
5
n/a
The ornamental design for a telephone switchboard housing, as shown and described.

FIG. 1 is a perspective view of a telephone switchboard housing, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof; and

FIG. 4 is a side elevational view thereof, the opposite side being a mirror image of the side shown.

The undisclosed rear portions of the switchboard housing are plain and unornamented.

Georgopulos, Thomas

Patent Priority Assignee Title
D272439, Jan 23 1981 International Business Machines Corporation PABX Console
D272624, Nov 23 1981 AT&T TELETYPE CORPORATION A CORP OF DE Teleprinter keyboard
D273954, Oct 28 1981 Nortel Networks Limited Attendant console
D277477, Mar 26 1982 Siemens Corporation Telephone busy lamp field console
D277478, Mar 26 1982 Siemens Corporation Telephone attendant console
D328300, May 25 1990 Nitsuko Corporation Extension ringing console apparatus for telephone sets
Patent Priority Assignee Title
3819870,
4063046, Sep 24 1974 Jerome D., Schiffman; Milton, Shlaes Telephone mounted calculator
D251843, Aug 17 1976 Siemens Aktiengesellschaft Console attendant telephone or similar article
D256918, Mar 06 1978 Mitel Corporation Front panel for a telephone control console
D256919, Mar 06 1978 Mitel Corporation Telephone control console
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 17 1980GEORGOPULOS THOMASGTE AUTOMATIC ELECTRIC LABORATORIES INCORPORATED, NORTHLAKE, IL , A CORP OF DE ASSIGNMENT OF ASSIGNORS INTEREST 0038470688 pdf
Dec 29 1980GTE Automatic Electric Labs Inc.(assignment on the face of the patent)
May 24 1982GTE Automatic Electric Laboratories IncorporatedGTE AUTOMATIC ELECTRIC INCORPORATED, A CORP OF DE ASSIGNMENT OF ASSIGNORS INTEREST 0040810217 pdf
Dec 28 1988GTE Communication Systems CorporationAG COMMUNICATION SYSTEMS CORPORATION, 2500 W UTOPIA RD , PHOENIX, AZ 85027, A DE CORP ASSIGNMENT OF ASSIGNORS INTEREST 0050600501 pdf
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