CA21995A - Automatic safety damper for chimneys, etc. - Google Patents

Automatic safety damper for chimneys, etc.

Info

Publication number
CA21995A
CA21995A CA000021995A CA21995DA CA21995A CA 21995 A CA21995 A CA 21995A CA 000021995 A CA000021995 A CA 000021995A CA 21995D A CA21995D A CA 21995DA CA 21995 A CA21995 A CA 21995A
Authority
CA
Canada
Prior art keywords
chimneys
automatic safety
safety damper
damper
automatic
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
CA000021995A
Other languages
French (fr)
Inventor
Frederick J. Gilman
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 CA21995A publication Critical patent/CA21995A/en
Expired legal-status Critical Current

Links

CA000021995A Automatic safety damper for chimneys, etc. Expired CA21995A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA21995T

Publications (1)

Publication Number Publication Date
CA21995A true CA21995A (en) 1885-07-03

Family

ID=45138538

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000021995A Expired CA21995A (en) Automatic safety damper for chimneys, etc.

Country Status (1)

Country Link
CA (1) CA21995A (en)

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