CA319416A - Crochet de surete de porte tombante - Google Patents

Crochet de surete de porte tombante

Info

Publication number
CA319416A
CA319416A CA319416A CA319416DA CA319416A CA 319416 A CA319416 A CA 319416A CA 319416 A CA319416 A CA 319416A CA 319416D A CA319416D A CA 319416DA CA 319416 A CA319416 A CA 319416A
Authority
CA
Canada
Prior art keywords
door hook
drop door
safety drop
safety
hook
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
CA319416A
Other languages
English (en)
Inventor
D. Smith Richard
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 CA319416A publication Critical patent/CA319416A/fr
Expired legal-status Critical Current

Links

CA319416A Crochet de surete de porte tombante Expired CA319416A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA319416T

Publications (1)

Publication Number Publication Date
CA319416A true CA319416A (fr) 1932-02-02

Family

ID=35279971

Family Applications (1)

Application Number Title Priority Date Filing Date
CA319416A Expired CA319416A (fr) Crochet de surete de porte tombante

Country Status (1)

Country Link
CA (1) CA319416A (fr)

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