CA304667A - Card index - Google Patents

Card index

Info

Publication number
CA304667A
CA304667A CA304667A CA304667DA CA304667A CA 304667 A CA304667 A CA 304667A CA 304667 A CA304667 A CA 304667A CA 304667D A CA304667D A CA 304667DA CA 304667 A CA304667 A CA 304667A
Authority
CA
Canada
Prior art keywords
card index
card
index
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
CA304667A
Other languages
French (fr)
Inventor
Campbell Roy
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 CA304667A publication Critical patent/CA304667A/en
Expired legal-status Critical Current

Links

CA304667A Card index Expired CA304667A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA304667T

Publications (1)

Publication Number Publication Date
CA304667A true CA304667A (en) 1930-10-14

Family

ID=35257813

Family Applications (1)

Application Number Title Priority Date Filing Date
CA304667A Expired CA304667A (en) Card index

Country Status (1)

Country Link
CA (1) CA304667A (en)

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