CA221334A - Raising and lowering step - Google Patents

Raising and lowering step

Info

Publication number
CA221334A
CA221334A CA221334A CA221334DA CA221334A CA 221334 A CA221334 A CA 221334A CA 221334 A CA221334 A CA 221334A CA 221334D A CA221334D A CA 221334DA CA 221334 A CA221334 A CA 221334A
Authority
CA
Canada
Prior art keywords
raising
lowering step
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
CA221334A
Other languages
French (fr)
Inventor
B. Reeder Ernest
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 CA221334A publication Critical patent/CA221334A/en
Expired legal-status Critical Current

Links

CA221334A Raising and lowering step Expired CA221334A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA221334T

Publications (1)

Publication Number Publication Date
CA221334A true CA221334A (en) 1922-07-25

Family

ID=35116937

Family Applications (1)

Application Number Title Priority Date Filing Date
CA221334A Expired CA221334A (en) Raising and lowering step

Country Status (1)

Country Link
CA (1) CA221334A (en)

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