CA399545A - Filing book for data cards - Google Patents

Filing book for data cards

Info

Publication number
CA399545A
CA399545A CA399545A CA399545DA CA399545A CA 399545 A CA399545 A CA 399545A CA 399545 A CA399545 A CA 399545A CA 399545D A CA399545D A CA 399545DA CA 399545 A CA399545 A CA 399545A
Authority
CA
Canada
Prior art keywords
data cards
filing book
filing
book
cards
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
CA399545A
Other languages
French (fr)
Inventor
L. Christiansen Albert
J. Boynton Lucius
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 CA399545A publication Critical patent/CA399545A/en
Expired legal-status Critical Current

Links

CA399545A Filing book for data cards Expired CA399545A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA399545T

Publications (1)

Publication Number Publication Date
CA399545A true CA399545A (en) 1941-09-23

Family

ID=35410001

Family Applications (1)

Application Number Title Priority Date Filing Date
CA399545A Expired CA399545A (en) Filing book for data cards

Country Status (1)

Country Link
CA (1) CA399545A (en)

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