CA194642A - Breathing apparatus - Google Patents

Breathing apparatus

Info

Publication number
CA194642A
CA194642A CA000194642A CA194642DA CA194642A CA 194642 A CA194642 A CA 194642A CA 000194642 A CA000194642 A CA 000194642A CA 194642D A CA194642D A CA 194642DA CA 194642 A CA194642 A CA 194642A
Authority
CA
Canada
Prior art keywords
breathing apparatus
breathing
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
CA000194642A
Other languages
French (fr)
Inventor
Clarence Hall
James W. Paul
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
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of CA194642A publication Critical patent/CA194642A/en
Expired legal-status Critical Current

Links

CA000194642A 1919-05-01 1919-05-01 Breathing apparatus Expired CA194642A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA194642T 1919-05-01

Publications (1)

Publication Number Publication Date
CA194642A true CA194642A (en) 1919-12-09

Family

ID=45314293

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000194642A Expired CA194642A (en) 1919-05-01 1919-05-01 Breathing apparatus

Country Status (1)

Country Link
CA (1) CA194642A (en)

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