Patent
   D274839
Priority
Nov 23 1981
Filed
Nov 23 1981
Issued
Jul 24 1984
Expiry
Jul 24 1998
Assg.orig
Entity
unknown
14
6
n/a
The ornamental design for hearing aid coupler, as shown and described.

FIG. 1 is a perspective view of a hearing aid coupler showing my new design;

FIG. 2 is a left side elevational view thereof, the other side being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a rear elevational view thereof.

Libby, E. Robert

Patent Priority Assignee Title
10764675, Oct 07 2017 Point Source Audio, Inc. Wearable microphone housing with built-in redundancy
10986431, Oct 07 2017 Point Source Audio, Inc. Wearable microphone housing with built-in redundancy
D300660, Aug 25 1986 SP Industries Limited Partnership Single port coupler for resonance splitting in hearing aid
D301616, Aug 25 1986 SP Industries Limited Partnership Angulated single port coupler for resonance splitting in hearing aids
D350395, Mar 22 1990 Connector coupling for a hearing aid
D468299, May 10 1999 BOESEN, PETER V Communication device
D603516, Aug 01 2008 Panasonic Corporation Earphone with microphone for hearing aid
D604419, Aug 01 2008 Panasonic Corporation Earphone with microphone for hearing aid
D633899, Nov 06 2009 Sony Corporation Earphone
D786220, Oct 08 2015 Point Source Audio, Inc. Ear mount
D850418, Nov 10 2017 Wireless earphone
D855579, Oct 02 2017 MrSpeakers, LLC Ear cup coupler for an over ear headphone
D922362, Sep 03 2019 Point Source Audio, Inc. Wearable microphone
D985531, Dec 30 2020 Point Source Audio, Inc. Headset
Patent Priority Assignee Title
1207704,
2738025,
3080011,
4296829, Dec 15 1978 Danavox A/S Hook-shaped part of a behind-the-ear hearing aid
4349083, Apr 13 1981 Acoustic ear mold
D251852, Apr 04 1977 Mold tube receiving attachment for a hearing aid
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 01 1900LIBBY, E ROBERTASSOCIATED AUDITORY INSTRUMENTS, INC 6798 MARKET ST ,UPPER DARBY, PA 19082 A CORP OF PAASSIGNMENT OF ASSIGNORS INTEREST 0041500235 pdf
Nov 23 1981Associated Auditory Instruments, Inc.(assignment on the face of the patent)
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