Patent
   D247492
Priority
Mar 10 1976
Filed
Mar 10 1976
Issued
Mar 14 1978
Expiry
Mar 14 1992
Assg.orig
Entity
unknown
8
6
n/a
The ornamental design for a push-button enlarger for attaching over telephone multifrequency tone push buttons, as shown and described.

FIG. 1 is a front view of the push-button enlarger for attaching over telephone multifrequency tone push buttons;

FIG. 2 is a side view of the enlarger of FIG. 1, the opposite side view being identical to the one illustrated in FIG. 2;

FIG. 3 is a top plan view of the enlarger of FIG. 1; and

FIG. 4 is a bottom plan view of the enlarger of FIG. 1.

Schiffman, Jerome D.

Patent Priority Assignee Title
D281243, Jul 25 1983 WEBCOR ELECTRONICS, INC Large button telephone
D535636, Sep 01 2005 Black & Decker Inc Cell phone
D558745, Dec 18 2006 Motorola Mobility LLC User interface
D563400, Dec 29 2006 Motorola Mobility LLC User interface
D574816, Dec 07 2006 Unitel High Technology Corporation Keypad
D894186, Dec 05 2018 Pro-Boards, LLC Keyboard
D938405, Apr 03 2020 Partegra, LLC Protective cover for a keypad
ER8718,
Patent Priority Assignee Title
3739105,
3927282,
4002855, Sep 24 1974 Push-button telephone attachment
211094,
218755,
222142,
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