CA215517A - Self lowering jack - Google Patents

Self lowering jack

Info

Publication number
CA215517A
CA215517A CA215517A CA215517DA CA215517A CA 215517 A CA215517 A CA 215517A CA 215517 A CA215517 A CA 215517A CA 215517D A CA215517D A CA 215517DA CA 215517 A CA215517 A CA 215517A
Authority
CA
Canada
Prior art keywords
lowering jack
self
self lowering
jack
lowering
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
CA215517A
Other languages
French (fr)
Inventor
L. Gormley Frank
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.)
A O NORTON
Original Assignee
A O NORTON
Publication date
Application granted granted Critical
Publication of CA215517A publication Critical patent/CA215517A/en
Expired legal-status Critical Current

Links

CA215517A Self lowering jack Expired CA215517A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA215517T

Publications (1)

Publication Number Publication Date
CA215517A true CA215517A (en) 1922-01-31

Family

ID=35109961

Family Applications (1)

Application Number Title Priority Date Filing Date
CA215517A Expired CA215517A (en) Self lowering jack

Country Status (1)

Country Link
CA (1) CA215517A (en)

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