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FR839758A - Protective helmet - Google Patents

Protective helmet

Info

Publication number
FR839758A
FR839758A FR839758DA FR839758A FR 839758 A FR839758 A FR 839758A FR 839758D A FR839758D A FR 839758DA FR 839758 A FR839758 A FR 839758A
Authority
FR
France
Prior art keywords
protective helmet
helmet
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
Alfred Wolff
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 FR839758A publication Critical patent/FR839758A/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
    • A42B3/06—Impact-absorbing shells, e.g. of crash helmets
FR839758D 1937-12-16 1937-12-16 Protective helmet Expired FR839758A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR839758T 1937-12-16

Publications (1)

Publication Number Publication Date
FR839758A true FR839758A (en) 1939-04-12

Family

ID=9299691

Family Applications (1)

Application Number Title Priority Date Filing Date
FR839758D Expired FR839758A (en) 1937-12-16 1937-12-16 Protective helmet

Country Status (1)

Country Link
FR (1) FR839758A (en)

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