Patent
   D338530
Priority
Sep 20 1991
Filed
Sep 20 1991
Issued
Aug 17 1993
Expiry
Aug 17 2007
Assg.orig
Entity
unknown
21
3
n/a
The ornamental design for a hearing aid, as shown and described.

FIG. 1 is a perspective view;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a right side elevational view;

FIG. 6 is a top plan view; and,

FIG. 7 is a left side elevational view.

Oberlander, Dennis A.

Patent Priority Assignee Title
D367113, Aug 01 1994 EARCRAFT, INC Air conduction hearing aid
D375556, Jun 27 1994 Rion Kabushiki Kaisha Hearing aid
D397796, Jul 01 1997 Citizen Tokei Kabushiki Kaisha; Sayama Seimitsu Kogyo Kabushiki Kaisha Hearing aid
D676561, Oct 03 2011 SIVANTOS PTE LTD Hearing instrument
D698445, May 30 2012 BLUE-GEAR, INC Earpiece
D735169, Jun 23 2014 Housing of an in-ear earphone
D742861, May 19 2014 Yamaha Corporation Earphone
D743949, May 19 2014 Yamaha Corporation Earphone
D812042, Oct 12 2016 Shenzhen Zijieyuanzi Technology Co., ltd. Wireless earset
D822008, Sep 13 2016 Audio-Technica Corporation Earphone
D832823, Apr 05 2017 Shenzhen Zijieyuanzi Technology Co., ltd. Wireless earset
D833419, Sep 13 2016 Audio-Technica Corporation Earphone
D841627, Oct 24 2017 SHENZHEN LIGHT SPEED TECHNOLOGY CO , LTD Earphone
D852783, Apr 26 2017 Decathlon Pair of earphones
D863263, Jun 18 2018 Earphone
D872063, Feb 16 2018 JVC Kenwood Corporation Earphone
D883261, Dec 27 2019 Earphone
D884680, Jul 16 2018 ETEN ELECTRONICS LIMITED Earphone
D884681, Dec 27 2018 Anker Innovations Technology Co., Ltd. Pair of earphones
D897996, Mar 26 2019 SHENZHEN MEIDONG ACOUSTICS CO ,LTD Earphone
D941807, May 15 2020 Yibai Science & Technology (Shenzhen) Co., Ltd. Earphone
Patent Priority Assignee Title
4945569, Jan 27 1988 Hearing aid
D266271, Jan 29 1979 AUDIVOX, INC Hearing aid
D273707, Dec 17 1981 Electrically stimulated acupressure apparatus to be located within the ear
//////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 31 1990AUDIOSPECTRUM, INC AUDIOSCIENCE, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0068310726 pdf
Sep 18 1991OBERLANDER, DENNIS A AUDIOSCIENCE,INC , A MN CORP ASSIGNMENT OF ASSIGNORS INTEREST 0058510009 pdf
Sep 20 1991Audio Science, Inc.(assignment on the face of the patent)
Jan 25 1994AUDIOSCIENCE, INC BAUSTERT, THEO J SECURITY INTEREST SEE DOCUMENT FOR DETAILS 0069980160 pdf
Jan 25 1994AUDIOSCIENCE, INC ADDUCCI, ANTHONY J SECURITY INTEREST SEE DOCUMENT FOR DETAILS 0069980160 pdf
Apr 22 1997LINDQUIST, DWIGHT R J MICRAL, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0084610702 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule