FR686545A - Perfectionnement apporté à tous genres de porte-mines - Google Patents

Perfectionnement apporté à tous genres de porte-mines

Info

Publication number
FR686545A
FR686545A FR686545DA FR686545A FR 686545 A FR686545 A FR 686545A FR 686545D A FR686545D A FR 686545DA FR 686545 A FR686545 A FR 686545A
Authority
FR
France
Prior art keywords
types
improvement provided
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
Other languages
English (en)
Inventor
Jean-Rene Barrault
Rodolphe Herzfeld
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 FR686545A publication Critical patent/FR686545A/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
    • B43K21/22—Writing-cores gripping means, e.g. chucks
FR686545D 1929-12-11 1929-12-11 Perfectionnement apporté à tous genres de porte-mines Expired FR686545A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR686545T 1929-12-11

Publications (1)

Publication Number Publication Date
FR686545A true FR686545A (fr) 1930-07-28

Family

ID=9025598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR686545D Expired FR686545A (fr) 1929-12-11 1929-12-11 Perfectionnement apporté à tous genres de porte-mines

Country Status (1)

Country Link
FR (1) FR686545A (fr)

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