CH514332A - Hearing protection device - Google Patents
Hearing protection deviceInfo
- Publication number
- CH514332A CH514332A CH399970A CH399970A CH514332A CH 514332 A CH514332 A CH 514332A CH 399970 A CH399970 A CH 399970A CH 399970 A CH399970 A CH 399970A CH 514332 A CH514332 A CH 514332A
- Authority
- CH
- Switzerland
- Prior art keywords
- protection device
- hearing protection
- hearing
- protection
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/16—Ear protection devices
- A42B3/166—Integral hearing protection
-
- 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
- A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Physics & Mathematics (AREA)
- Otolaryngology (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Psychology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Headphones And Earphones (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US83944469A | 1969-07-07 | 1969-07-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH514332A true CH514332A (en) | 1971-10-31 |
Family
ID=25279746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH399970A CH514332A (en) | 1969-07-07 | 1970-03-17 | Hearing protection device |
Country Status (6)
Country | Link |
---|---|
US (1) | US3541611A (en) |
AU (1) | AU1460570A (en) |
CH (1) | CH514332A (en) |
DE (1) | DE2011771A1 (en) |
FR (1) | FR2051571A7 (en) |
NL (1) | NL7003736A (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4349081A (en) * | 1980-12-08 | 1982-09-14 | Audrey Pepple | Method for retaining a hearing aid in place and hearing aid harness |
US4843642A (en) * | 1985-02-15 | 1989-07-04 | Brower Richard A | Combat vehicle crewman helmet |
US5023955A (en) * | 1989-04-13 | 1991-06-18 | Gentex Corporation | Impact-absorbing sound-attenuating earcup |
US5628071A (en) * | 1995-01-13 | 1997-05-13 | Motorika Ltd. | Collapsible helmet |
US5724965A (en) * | 1995-06-06 | 1998-03-10 | Respironics Inc. | Nasal mask |
WO2008048453A2 (en) * | 2006-10-13 | 2008-04-24 | Exxonmobil Upstream Research Company | Improved method of developing a subsurface freeze zone using formation fractures |
CA2812333A1 (en) * | 2012-04-06 | 2013-10-06 | Andrew James Bingley | Apparatus and method for wearing replica cauliflower ears |
USD937495S1 (en) * | 2020-10-05 | 2021-11-30 | Raymond Zirei Wang | Wrestling ear guard with detachable mouth guard |
US12011340B2 (en) * | 2021-05-11 | 2024-06-18 | Andrew Renee | Hearing protection assembly |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2898596A (en) * | 1958-02-27 | 1959-08-11 | Clifford P Keen | Wrestling helmet |
US3190973A (en) * | 1960-05-13 | 1965-06-22 | Leonard P Frieder | Rigid shell helmet and rigging and sound attenuating means therefor |
US3327316A (en) * | 1965-04-19 | 1967-06-27 | Vogt Mfg Corp | Wrestler's headgear |
-
1969
- 1969-07-07 US US839444A patent/US3541611A/en not_active Expired - Lifetime
-
1970
- 1970-03-09 DE DE19702011771 patent/DE2011771A1/en active Pending
- 1970-03-17 NL NL7003736A patent/NL7003736A/xx unknown
- 1970-03-17 CH CH399970A patent/CH514332A/en not_active IP Right Cessation
- 1970-05-04 AU AU14605/70A patent/AU1460570A/en not_active Expired
- 1970-06-16 FR FR7021988A patent/FR2051571A7/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3541611A (en) | 1970-11-24 |
NL7003736A (en) | 1971-01-11 |
FR2051571A7 (en) | 1971-04-09 |
DE2011771A1 (en) | 1971-01-28 |
AU1460570A (en) | 1971-11-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |