CA499082A - Dispositif de verrouillage, d'ouverture et de fermeture de porte - Google Patents

Dispositif de verrouillage, d'ouverture et de fermeture de porte

Info

Publication number
CA499082A
CA499082A CA499082A CA499082DA CA499082A CA 499082 A CA499082 A CA 499082A CA 499082 A CA499082 A CA 499082A CA 499082D A CA499082D A CA 499082DA CA 499082 A CA499082 A CA 499082A
Authority
CA
Canada
Prior art keywords
opening
door locking
closing devices
closing
devices
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
CA499082A
Other languages
English (en)
Inventor
A. Beauchamp Wilfred
Lute Carl
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.)
Youngstown Steel Door Co
Original Assignee
Youngstown Steel Door Co
Publication date
Application granted granted Critical
Publication of CA499082A publication Critical patent/CA499082A/fr
Expired legal-status Critical Current

Links

CA499082A Dispositif de verrouillage, d'ouverture et de fermeture de porte Expired CA499082A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA499082T

Publications (1)

Publication Number Publication Date
CA499082A true CA499082A (fr) 1954-01-05

Family

ID=35644525

Family Applications (1)

Application Number Title Priority Date Filing Date
CA499082A Expired CA499082A (fr) Dispositif de verrouillage, d'ouverture et de fermeture de porte

Country Status (1)

Country Link
CA (1) CA499082A (fr)

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