CA831331A - Knife for cutting tear-lines in cardboard and method for making the same - Google Patents

Knife for cutting tear-lines in cardboard and method for making the same

Info

Publication number
CA831331A
CA831331A CA831331A CA831331DA CA831331A CA 831331 A CA831331 A CA 831331A CA 831331 A CA831331 A CA 831331A CA 831331D A CA831331D A CA 831331DA CA 831331 A CA831331 A CA 831331A
Authority
CA
Canada
Prior art keywords
cardboard
knife
lines
making
same
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
CA831331A
Inventor
M. Silver Stanley
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 CA831331A publication Critical patent/CA831331A/en
Expired legal-status Critical Current

Links

CA831331A Knife for cutting tear-lines in cardboard and method for making the same Expired CA831331A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA831331T

Publications (1)

Publication Number Publication Date
CA831331A true CA831331A (en) 1970-01-06

Family

ID=36308794

Family Applications (1)

Application Number Title Priority Date Filing Date
CA831331A Expired CA831331A (en) Knife for cutting tear-lines in cardboard and method for making the same

Country Status (1)

Country Link
CA (1) CA831331A (en)

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