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CA408874A - Safety hat or helmet - Google Patents

Safety hat or helmet

Info

Publication number
CA408874A
CA408874A CA408874A CA408874DA CA408874A CA 408874 A CA408874 A CA 408874A CA 408874 A CA408874 A CA 408874A CA 408874D A CA408874D A CA 408874DA CA 408874 A CA408874 A CA 408874A
Authority
CA
Canada
Prior art keywords
helmet
safety hat
hat
safety
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
CA408874A
Other languages
French (fr)
Inventor
William Catalane Bartholomew
James Sharbaugh William
Victor Karabin Edward
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.)
MSA Safety Inc
Original Assignee
Mine Safety Appliances Co
Publication date
Application granted granted Critical
Publication of CA408874A publication Critical patent/CA408874A/en
Expired legal-status Critical Current

Links

CA408874A Safety hat or helmet Expired CA408874A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA408874T

Publications (1)

Publication Number Publication Date
CA408874A true CA408874A (en) 1942-11-24

Family

ID=35420175

Family Applications (1)

Application Number Title Priority Date Filing Date
CA408874A Expired CA408874A (en) Safety hat or helmet

Country Status (1)

Country Link
CA (1) CA408874A (en)

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