CA312289A - Window ventilator - Google Patents

Window ventilator

Info

Publication number
CA312289A
CA312289A CA312289A CA312289DA CA312289A CA 312289 A CA312289 A CA 312289A CA 312289 A CA312289 A CA 312289A CA 312289D A CA312289D A CA 312289DA CA 312289 A CA312289 A CA 312289A
Authority
CA
Canada
Prior art keywords
window ventilator
ventilator
window
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
CA312289A
Other languages
French (fr)
Inventor
R. Laubenstein Albert
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 CA312289A publication Critical patent/CA312289A/en
Expired legal-status Critical Current

Links

CA312289A Window ventilator Expired CA312289A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA312289T

Publications (1)

Publication Number Publication Date
CA312289A true CA312289A (en) 1931-06-16

Family

ID=35271615

Family Applications (1)

Application Number Title Priority Date Filing Date
CA312289A Expired CA312289A (en) Window ventilator

Country Status (1)

Country Link
CA (1) CA312289A (en)

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