CA501141A - Pocket respirator - Google Patents

Pocket respirator

Info

Publication number
CA501141A
CA501141A CA501141A CA501141DA CA501141A CA 501141 A CA501141 A CA 501141A CA 501141 A CA501141 A CA 501141A CA 501141D A CA501141D A CA 501141DA CA 501141 A CA501141 A CA 501141A
Authority
CA
Canada
Prior art keywords
respirator
pocket
pocket respirator
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
CA501141A
Other languages
French (fr)
Inventor
B. Haller Robert
P. Yant William
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 CA501141A publication Critical patent/CA501141A/en
Expired legal-status Critical Current

Links

CA501141A Pocket respirator Expired CA501141A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA501141T

Publications (1)

Publication Number Publication Date
CA501141A true CA501141A (en) 1954-03-30

Family

ID=35647035

Family Applications (1)

Application Number Title Priority Date Filing Date
CA501141A Expired CA501141A (en) Pocket respirator

Country Status (1)

Country Link
CA (1) CA501141A (en)

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