Patent
   D305027
Priority
Jun 15 1988
Filed
Jun 15 1988
Issued
Dec 12 1989
Expiry
Dec 12 2003
Assg.orig
Entity
unknown
6
8
n/a
The ornamental design for an extension attachment for a telephone earpiece, as shown and described.

FIG. 1 is a front, top and right side perspective view of an extension attachment for a telephone earpiece showing our new design;

FIGS. 2 and 3 are respectively front and rear elevational views thereof;

FIG. 4 is a right side elevational view thereof, the side opposite being a mirror image thereof; and

FIGS. 5 and 6 are respectively top and bottom plan views thereof.

FIG. 7 is a top perspective view of a second embodiment thereof;

FIG. 8 is a front elevational view of the second embodiment thereof;

FIG 9 is a rear elevation view of the second embodiment thereof;

FIG. 10 is a side elevation view of the second embodiment thereof taken from the left of FIG. 9;

FIG. 11 is a top plan view of the second embodiment thereof; and

FIG. 12 is a bottom plan view of the second embodiment thereof.

Catey, Harry, Hesla, Erling C.

Patent Priority Assignee Title
5778062, May 29 1996 Voice reflector for a communication device, in particular a cellular telephone
D338675, Apr 10 1990 Telephone mouthpiece cover
D347228, Jul 06 1992 Telephone dual earpiece
D883967, Jan 18 2019 WISTRON NEWEB CORP. Extension module
D899400, Feb 27 2018 Hewlett-Packard Development Company, L.P. Headset
D915367, Nov 24 2018 Phone ear spacer
Patent Priority Assignee Title
1142600,
1340601,
2313383,
101816,
216802,
D274516, Feb 08 1982 Walker Equipment Corporation Telephone handset transmitter cup
D291690, Mar 04 1985 Talbot Toys Ltd. Headphone
53460,
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 22 1991HESLA, ERLING C EVERETT ASSISTIVE RESOURCES COMPANY A CORP OF WAASSIGNMENT OF ASSIGNORS INTEREST 0056950911 pdf
Apr 24 1991CATEY, HARRYEVERETT ASSISTIVE RESOURCES COMPANY A CORP OF WAASSIGNMENT OF ASSIGNORS INTEREST 0056950911 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule