FR757475A - Crayon ou porte-mine à dessin pour mines minces et plates - Google Patents

Crayon ou porte-mine à dessin pour mines minces et plates

Info

Publication number
FR757475A
FR757475A FR757475DA FR757475A FR 757475 A FR757475 A FR 757475A FR 757475D A FR757475D A FR 757475DA FR 757475 A FR757475 A FR 757475A
Authority
FR
France
Prior art keywords
pencil
thin
flat leads
mechanical
mechanical pencil
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
Other languages
English (en)
French (fr)
Inventor
Max Stossel
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR757475A publication Critical patent/FR757475A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K21/00—Propelling pencils
    • B43K21/02—Writing-core feeding mechanisms
    • B43K21/08—Writing-core feeding mechanisms with the writing-cores fed by screws
FR757475D 1932-06-24 1933-06-24 Crayon ou porte-mine à dessin pour mines minces et plates Expired FR757475A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE414206X 1932-06-24

Publications (1)

Publication Number Publication Date
FR757475A true FR757475A (fr) 1933-12-27

Family

ID=6447549

Family Applications (1)

Application Number Title Priority Date Filing Date
FR757475D Expired FR757475A (fr) 1932-06-24 1933-06-24 Crayon ou porte-mine à dessin pour mines minces et plates

Country Status (4)

Country Link
BE (1) BE397164A (sv)
FR (1) FR757475A (sv)
GB (1) GB414206A (sv)
NL (1) NL35309C (sv)

Also Published As

Publication number Publication date
GB414206A (en) 1934-08-02
BE397164A (sv)
NL35309C (sv)

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