CA737241A - Retraction-protraction mechanism for writing instruments - Google Patents

Retraction-protraction mechanism for writing instruments

Info

Publication number
CA737241A
CA737241A CA737241A CA737241DA CA737241A CA 737241 A CA737241 A CA 737241A CA 737241 A CA737241 A CA 737241A CA 737241D A CA737241D A CA 737241DA CA 737241 A CA737241 A CA 737241A
Authority
CA
Canada
Prior art keywords
retraction
writing instruments
protraction
protraction mechanism
instruments
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
CA737241A
Inventor
T. Johmann Frank
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 CA737241A publication Critical patent/CA737241A/en
Expired legal-status Critical Current

Links

CA737241A Retraction-protraction mechanism for writing instruments Expired CA737241A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA737241T

Publications (1)

Publication Number Publication Date
CA737241A true CA737241A (en) 1966-06-28

Family

ID=36135394

Family Applications (1)

Application Number Title Priority Date Filing Date
CA737241A Expired CA737241A (en) Retraction-protraction mechanism for writing instruments

Country Status (1)

Country Link
CA (1) CA737241A (en)

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