CA420149A - Mask exhalation valve - Google Patents

Mask exhalation valve

Info

Publication number
CA420149A
CA420149A CA420149A CA420149DA CA420149A CA 420149 A CA420149 A CA 420149A CA 420149 A CA420149 A CA 420149A CA 420149D A CA420149D A CA 420149DA CA 420149 A CA420149 A CA 420149A
Authority
CA
Canada
Prior art keywords
exhalation valve
mask exhalation
mask
valve
exhalation
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
CA420149A
Other languages
French (fr)
Inventor
A. Husted Harry
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 CA420149A publication Critical patent/CA420149A/en
Expired legal-status Critical Current

Links

CA420149A Mask exhalation valve Expired CA420149A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA420149T

Publications (1)

Publication Number Publication Date
CA420149A true CA420149A (en) 1944-05-09

Family

ID=35531072

Family Applications (1)

Application Number Title Priority Date Filing Date
CA420149A Expired CA420149A (en) Mask exhalation valve

Country Status (1)

Country Link
CA (1) CA420149A (en)

Similar Documents

Publication Publication Date Title
CA420691A (en) Valve
CA419087A (en) Gas mask
CA413698A (en) Breathing valve
CA421887A (en) Sequence valve
CA418104A (en) Scupper valve
CA420068A (en) Photographic mask
CA423523A (en) Valve
CA418128A (en) Valve
AU125016B2 (en) Valve
CA418013A (en) Valve
CA420627A (en) Valve mechanism
CA424173A (en) Paint mask
CA423606A (en) Paint mask
CA424172A (en) Paint mask
CA417964A (en) Coloured photographic mask
CA422910A (en) Reducing valve
CA422963A (en) Paint mask structure
CA422962A (en) Paint mask structure
CA418053A (en) Gas valve
CA418137A (en) Gas valve
CA417512A (en) Valve body
AU1416244A (en) Valve
CA422726A (en) Poppet valve
CA417645A (en) Poppet valve
CA420097A (en) Poppet valve