CA540452A - Retractable writing instrument - Google Patents

Retractable writing instrument

Info

Publication number
CA540452A
CA540452A CA540452A CA540452DA CA540452A CA 540452 A CA540452 A CA 540452A CA 540452 A CA540452 A CA 540452A CA 540452D A CA540452D A CA 540452DA CA 540452 A CA540452 A CA 540452A
Authority
CA
Canada
Prior art keywords
writing instrument
retractable writing
retractable
instrument
writing
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
CA540452A
Other languages
French (fr)
Inventor
Wichmann Wilhelm
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 CA540452A publication Critical patent/CA540452A/en
Expired legal-status Critical Current

Links

CA540452A Retractable writing instrument Expired CA540452A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA540452T

Publications (1)

Publication Number Publication Date
CA540452A true CA540452A (en) 1957-05-07

Family

ID=35697591

Family Applications (1)

Application Number Title Priority Date Filing Date
CA540452A Expired CA540452A (en) Retractable writing instrument

Country Status (1)

Country Link
CA (1) CA540452A (en)

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