CA938894A - Ear-protecting device - Google Patents

Ear-protecting device

Info

Publication number
CA938894A
CA938894A CA110471A CA110471A CA938894A CA 938894 A CA938894 A CA 938894A CA 110471 A CA110471 A CA 110471A CA 110471 A CA110471 A CA 110471A CA 938894 A CA938894 A CA 938894A
Authority
CA
Canada
Prior art keywords
ear
protecting device
protecting
Prior art date
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
CA110471A
Other versions
CA110471S (en
Inventor
N. Anderson Marshall
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.)
Sellstrom Manufacturing Co
Original Assignee
Sellstrom Manufacturing Co
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 Sellstrom Manufacturing Co filed Critical Sellstrom Manufacturing Co
Application granted granted Critical
Publication of CA938894A publication Critical patent/CA938894A/en
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
    • A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs
CA110471A 1970-08-26 1971-04-15 Ear-protecting device Expired CA938894A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6692770A 1970-08-26 1970-08-26

Publications (1)

Publication Number Publication Date
CA938894A true CA938894A (en) 1973-12-25

Family

ID=22072623

Family Applications (1)

Application Number Title Priority Date Filing Date
CA110471A Expired CA938894A (en) 1970-08-26 1971-04-15 Ear-protecting device

Country Status (2)

Country Link
US (1) US3686691A (en)
CA (1) CA938894A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4299303A (en) * 1980-03-20 1981-11-10 Clark Thomas W Noise attenuating stethoscope
US5023955A (en) * 1989-04-13 1991-06-18 Gentex Corporation Impact-absorbing sound-attenuating earcup
US5551089A (en) * 1995-01-10 1996-09-03 Whidden; Jenna Designer earmuff having interchangeable ear muff pieces
US5590213A (en) * 1995-02-15 1996-12-31 David Clark Company Inc. Headset with adjustable headpad
US5911314A (en) * 1998-03-31 1999-06-15 David Clark Company Inc. Headset ear seal
US6332223B1 (en) 2000-04-05 2001-12-25 Gray Matter Holdings, Llc Apparatus and method for making an ear warmer having interior seams
CN1482872A (en) 2000-12-29 2004-03-17 �������ѿع����޹�˾ Ear protection device
US6735784B2 (en) 2002-01-28 2004-05-18 180S, Inc. Apparatus and method for making an ear warmer and an ear warmer frame
US7650649B2 (en) 2003-08-12 2010-01-26 180S, Inc. Ear warmer having an external frame
US7212645B2 (en) 2003-08-12 2007-05-01 180S, Inc. Ear warmer with a speaker system
US7962970B2 (en) 2003-08-12 2011-06-21 180S, Inc. Ear warmer having a curved ear portion
WO2008091909A2 (en) * 2007-01-22 2008-07-31 180S, Inc. Ear protection device
US20090178177A1 (en) * 2008-01-11 2009-07-16 Smuffs, Llc Sound muffling headwear
US9585792B2 (en) 2008-01-11 2017-03-07 Jacob Frederick Fairclough Sound muffling headwear

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434251A (en) * 1946-02-06 1948-01-13 Us Instr Corp Telephone headband
US2801423A (en) * 1956-06-05 1957-08-06 Ca Nat Research Council Ear defender
US3193841A (en) * 1964-02-03 1965-07-13 Frank P Haluska Ear muff mounting structure for headgear
US3197785A (en) * 1964-05-18 1965-08-03 Electric Storage Battery Co Ear protector attachment in combination with a safety cap
US3505684A (en) * 1969-03-03 1970-04-14 American Optical Corp Attachment mounting means for hearing protector ear cups

Also Published As

Publication number Publication date
US3686691A (en) 1972-08-29

Similar Documents

Publication Publication Date Title
CA938893A (en) Ear-protecting device
CA933245A (en) Delay device
CA932813A (en) Delay device
CA962427A (en) Connecting device
CA938894A (en) Ear-protecting device
AU2923271A (en) Film-perforating device
CA933244A (en) Delay device
CA939643A (en) Coin-processing device
CA955440A (en) Ophthalmometer device
CA929493A (en) Money-handling device
CA944793A (en) Positioning device
CA931493A (en) Anti-flashback device
CA836852A (en) Fastening device
CA836387A (en) Fastening device
AU446439B2 (en) Closer device
AU457061B2 (en) Improved orientation device
CA924896A (en) Locating device
CA934779A (en) Lowering device
CA959528A (en) Actuating device
AU456592B2 (en) Integral-thyristor-rectifier device
CA858830A (en) Multi-photographing device
CA832264A (en) Blank-splitting device
CA858099A (en) Oscillator-detector device
AU450443B2 (en) Truck-loading device
CA920795A (en) Drawing device