CA600852A - Self closing fire door control - Google Patents

Self closing fire door control

Info

Publication number
CA600852A
CA600852A CA600852A CA600852DA CA600852A CA 600852 A CA600852 A CA 600852A CA 600852 A CA600852 A CA 600852A CA 600852D A CA600852D A CA 600852DA CA 600852 A CA600852 A CA 600852A
Authority
CA
Canada
Prior art keywords
fire door
door control
self closing
closing fire
self
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
CA600852A
Inventor
J. Edwards 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 CA600852A publication Critical patent/CA600852A/en
Expired legal-status Critical Current

Links

CA600852A Self closing fire door control Expired CA600852A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA600852T

Publications (1)

Publication Number Publication Date
CA600852A true CA600852A (en) 1960-06-28

Family

ID=35816641

Family Applications (1)

Application Number Title Priority Date Filing Date
CA600852A Expired CA600852A (en) Self closing fire door control

Country Status (1)

Country Link
CA (1) CA600852A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258946A (en) * 1977-12-01 1981-03-31 Industrie Pirelli S.P.A. Lock for window sashes and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258946A (en) * 1977-12-01 1981-03-31 Industrie Pirelli S.P.A. Lock for window sashes and the like

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