FR810836A - Protective helmets for motorcyclists, aviators and the like - Google Patents

Protective helmets for motorcyclists, aviators and the like

Info

Publication number
FR810836A
FR810836A FR810836DA FR810836A FR 810836 A FR810836 A FR 810836A FR 810836D A FR810836D A FR 810836DA FR 810836 A FR810836 A FR 810836A
Authority
FR
France
Prior art keywords
aviators
motorcyclists
protective helmets
helmets
protective
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
Other languages
French (fr)
Inventor
Gustav Illguth
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 filed Critical
Application granted granted Critical
Publication of FR810836A publication Critical patent/FR810836A/en
Expired legal-status Critical Current

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
    • A42B3/163—Wind or noise deflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
FR810836D 1935-08-08 1936-06-19 Protective helmets for motorcyclists, aviators and the like Expired FR810836A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE810836X 1935-08-08

Publications (1)

Publication Number Publication Date
FR810836A true FR810836A (en) 1937-03-31

Family

ID=6725932

Family Applications (1)

Application Number Title Priority Date Filing Date
FR810836D Expired FR810836A (en) 1935-08-08 1936-06-19 Protective helmets for motorcyclists, aviators and the like

Country Status (1)

Country Link
FR (1) FR810836A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4370758A (en) * 1980-10-27 1983-02-01 Mattheis Dale B Sound attenuator for use in conjunction with the motorcycle helmet or the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4370758A (en) * 1980-10-27 1983-02-01 Mattheis Dale B Sound attenuator for use in conjunction with the motorcycle helmet or the like

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