FR2050740A5 - - Google Patents

Info

Publication number
FR2050740A5
FR2050740A5 FR6921006A FR6921006A FR2050740A5 FR 2050740 A5 FR2050740 A5 FR 2050740A5 FR 6921006 A FR6921006 A FR 6921006A FR 6921006 A FR6921006 A FR 6921006A FR 2050740 A5 FR2050740 A5 FR 2050740A5
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR6921006A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BRANCH JACK
DURHAM NOEL
Original Assignee
BRANCH JACK
DURHAM NOEL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BRANCH JACK, DURHAM NOEL filed Critical BRANCH JACK
Priority to FR6921006A priority Critical patent/FR2050740A5/fr
Application granted granted Critical
Publication of FR2050740A5 publication Critical patent/FR2050740A5/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/08—Protective devices for the ears internal, e.g. earplugs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/08—Protective devices for the ears internal, e.g. earplugs
    • A61F11/085—Protective devices for the ears internal, e.g. earplugs including an inner channel
FR6921006A 1969-06-23 1969-06-23 Expired FR2050740A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6921006A FR2050740A5 (en) 1969-06-23 1969-06-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6921006A FR2050740A5 (en) 1969-06-23 1969-06-23

Publications (1)

Publication Number Publication Date
FR2050740A5 true FR2050740A5 (en) 1971-04-02

Family

ID=9036236

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6921006A Expired FR2050740A5 (en) 1969-06-23 1969-06-23

Country Status (1)

Country Link
FR (1) FR2050740A5 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985004779A1 (en) * 1984-04-06 1985-10-24 Westra Electronic Gmbh Hearing aid otoplasty arranged on the auditory meatus side and hearing aid otoplasty
US6068079A (en) * 1997-07-30 2000-05-30 I.S.L. Institut Franco-Allemand De Recherches De Saint-Louis Acoustic valve capable of selective and non-linear filtering of sound
US9463118B2 (en) 2013-08-06 2016-10-11 Applied Research Associates, Inc. High fidelity blast hearing protection

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985004779A1 (en) * 1984-04-06 1985-10-24 Westra Electronic Gmbh Hearing aid otoplasty arranged on the auditory meatus side and hearing aid otoplasty
EP0159571A1 (en) * 1984-04-06 1985-10-30 Westra Electronic GmbH Ear tip for a hearing aid ear mould, and a hearing aid ear mould
US4679650A (en) * 1984-04-06 1987-07-14 Westra Electronic Gmbh Hearing aid ear mold end piece for the auditory canal and hearing aid ear mold
DE3413067C1 (en) * 1984-04-06 1989-06-08 Westra Electronic Gmbh, 8901 Welden Hearing aid earmold end piece and hearing aid earmold on the hearing side
US6068079A (en) * 1997-07-30 2000-05-30 I.S.L. Institut Franco-Allemand De Recherches De Saint-Louis Acoustic valve capable of selective and non-linear filtering of sound
US9463118B2 (en) 2013-08-06 2016-10-11 Applied Research Associates, Inc. High fidelity blast hearing protection
US9795514B2 (en) 2013-08-06 2017-10-24 Applied Research Associates, Inc. High fidelity blast hearing protection

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Legal Events

Date Code Title Description
ST Notification of lapse