CA473479A - Crayons automatiques - Google Patents

Crayons automatiques

Info

Publication number
CA473479A
CA473479A CA473479A CA473479DA CA473479A CA 473479 A CA473479 A CA 473479A CA 473479 A CA473479 A CA 473479A CA 473479D A CA473479D A CA 473479DA CA 473479 A CA473479 A CA 473479A
Authority
CA
Canada
Prior art keywords
mechanical pencils
pencils
mechanical
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
CA473479A
Other languages
English (en)
Inventor
D. Smith Blanchard
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.)
Scripto Inc
Original Assignee
Scripto Inc
Publication date
Application granted granted Critical
Publication of CA473479A publication Critical patent/CA473479A/fr
Expired legal-status Critical Current

Links

CA473479A Crayons automatiques Expired CA473479A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA473479T

Publications (1)

Publication Number Publication Date
CA473479A true CA473479A (fr) 1951-05-08

Family

ID=35607450

Family Applications (1)

Application Number Title Priority Date Filing Date
CA473479A Expired CA473479A (fr) Crayons automatiques

Country Status (1)

Country Link
CA (1) CA473479A (fr)

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