Patent
   D275752
Priority
Sep 15 1981
Filed
Mar 09 1982
Issued
Oct 02 1984
Expiry
Oct 02 1998
Assg.orig
Entity
unknown
51
6
n/a
The ornamental design for a telephone control unit, substantially as shown.

FIG. 1 is a right side elevational view of a telephone control unit showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a lower end elevational view thereof;

FIG. 4 is an upper end elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a perspective view thereof; and

FIG. 7 is a bottom plan view thereof.

Mahan, John A.

Patent Priority Assignee Title
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D324388, Sep 11 1989 Motorola, Inc. Speaker housing or similar article
D342249, Aug 31 1992 Motorola, Inc. Enclosure for a multi-unit cellular base station
D342250, Aug 31 1992 Motorola, Inc. Enclosure for a single unit cellular base station
D351841, Oct 07 1993 Motorola, Inc Handheld portable modem
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D815070, Dec 29 2016 Meta Platforms, Inc Electronic device
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D860166, Oct 30 2017 DISPLAYLINK UK LIMITED Head-mounted wireless communication device
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D883956, Aug 13 2014 Sonos, Inc. Playback device
D922379, Apr 02 2019 Portable hard drive
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D931253, Mar 13 2017 Sonos, Inc. Media playback device
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D951628, May 29 2021 Modular organizer
D958144, Feb 05 2021 Bizlink International Corporation Docking station
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ER1362,
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3916103,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 09 1982Mitel Corporation(assignment on the face of the patent)
Jan 25 1984Mitel CorporationTRILLIUM TELEPHONE SYSTEMS INC ASSIGNMENT OF ASSIGNORS INTEREST 0042240543 pdf
Sep 30 1988TRILLIUM TELEPHONE SYSTEMS, INC Mitel CorporationASSIGNMENT OF ASSIGNORS INTEREST 0051270218 pdf
Feb 12 1998MITEL CORPORATION, A CORP OF CANADACANADIAN IMPERIAL BANK OF COMMERCE, AS SECURED PARTYGRANT OF PATENT SECURITY INTEREST0091140489 pdf
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