CA397903A - Chimney draft regulator - Google Patents

Chimney draft regulator

Info

Publication number
CA397903A
CA397903A CA397903A CA397903DA CA397903A CA 397903 A CA397903 A CA 397903A CA 397903 A CA397903 A CA 397903A CA 397903D A CA397903D A CA 397903DA CA 397903 A CA397903 A CA 397903A
Authority
CA
Canada
Prior art keywords
draft regulator
chimney draft
chimney
regulator
draft
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
CA397903A
Other languages
French (fr)
Inventor
N. Berg Edward
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 CA397903A publication Critical patent/CA397903A/en
Expired legal-status Critical Current

Links

CA397903A Chimney draft regulator Expired CA397903A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA397903T

Publications (1)

Publication Number Publication Date
CA397903A true CA397903A (en) 1941-07-15

Family

ID=35408410

Family Applications (1)

Application Number Title Priority Date Filing Date
CA397903A Expired CA397903A (en) Chimney draft regulator

Country Status (1)

Country Link
CA (1) CA397903A (en)

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