CA492378A - Plastic helmet - Google Patents

Plastic helmet

Info

Publication number
CA492378A
CA492378A CA492378A CA492378DA CA492378A CA 492378 A CA492378 A CA 492378A CA 492378 A CA492378 A CA 492378A CA 492378D A CA492378D A CA 492378DA CA 492378 A CA492378 A CA 492378A
Authority
CA
Canada
Prior art keywords
plastic helmet
helmet
plastic
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
CA492378A
Other languages
French (fr)
Inventor
A. Lyon George
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA492378A publication Critical patent/CA492378A/en
Expired legal-status Critical Current

Links

CA492378A Plastic helmet Expired CA492378A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA492378T

Publications (1)

Publication Number Publication Date
CA492378A true CA492378A (en) 1953-04-28

Family

ID=35637757

Family Applications (1)

Application Number Title Priority Date Filing Date
CA492378A Expired CA492378A (en) Plastic helmet

Country Status (1)

Country Link
CA (1) CA492378A (en)

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