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CA592622A - Protective mask - Google Patents

Protective mask

Info

Publication number
CA592622A
CA592622A CA592622A CA592622DA CA592622A CA 592622 A CA592622 A CA 592622A CA 592622 A CA592622 A CA 592622A CA 592622D A CA592622D A CA 592622DA CA 592622 A CA592622 A CA 592622A
Authority
CA
Canada
Prior art keywords
protective mask
mask
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
CA592622A
Inventor
W. Peterson Rayford
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 CA592622A publication Critical patent/CA592622A/en
Expired legal-status Critical Current

Links

CA592622A Protective mask Expired CA592622A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA592622T

Publications (1)

Publication Number Publication Date
CA592622A true CA592622A (en) 1960-02-16

Family

ID=35806155

Family Applications (1)

Application Number Title Priority Date Filing Date
CA592622A Expired CA592622A (en) Protective mask

Country Status (1)

Country Link
CA (1) CA592622A (en)

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