EP 0310866 B1 19930721 - DEVICE FOR CLOSING THE APERTURES OF HEARING AIDS OR EARPIECES FOR HEARING AIDS
Title (en)
DEVICE FOR CLOSING THE APERTURES OF HEARING AIDS OR EARPIECES FOR HEARING AIDS
Publication
Application
Priority
DE 8713369 U 19871005
Abstract (en)
[origin: EP0310866A1] These openings are, in particular, openings for the entry of sound and/or exit of sound and/or ventilation. A microporous diaphragm (14) of anti-adhesive material can be inserted into the respective opening (2, 11). <IMAGE>
IPC 1-7
IPC 8 full level
H04R 25/00 (2006.01); H04R 25/02 (2006.01)
CPC (source: EP US)
H04R 25/654 (2013.01 - EP US); H04R 25/60 (2013.01 - EP US); H04R 25/603 (2019.04 - EP US); H04R 25/607 (2019.04 - EP US); H04R 2225/57 (2019.04 - EP US)
Designated contracting state (EPC)
AT CH DE FR GB IT LI NL
DOCDB simple family (publication)
EP 0310866 A1 19890412; EP 0310866 B1 19930721; AT E91839 T1 19930815; AU 2336788 A 19890406; AU 607543 B2 19910307; CA 1296797 C 19920303; DE 3882474 D1 19930826; DE 8713369 U1 19890209; DK 552888 A 19890406; DK 552888 D0 19881004; JP H0157898 U 19890411; US 4987597 A 19910122
DOCDB simple family (application)
EP 88115498 A 19880921; AT 88115498 T 19880921; AU 2336788 A 19881004; CA 579093 A 19881003; DE 3882474 T 19880921; DE 8713369 U 19871005; DK 552888 A 19881004; JP 12991688 U 19881003; US 25185788 A 19881003