FR588631A - Perfectionnements apportés aux porte-mines à poussoir - Google Patents

Perfectionnements apportés aux porte-mines à poussoir

Info

Publication number
FR588631A
FR588631A FR588631DA FR588631A FR 588631 A FR588631 A FR 588631A FR 588631D A FR588631D A FR 588631DA FR 588631 A FR588631 A FR 588631A
Authority
FR
France
Prior art keywords
mechanical pencils
push mechanical
push
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
Herman Levin Wright
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 FR588631A publication Critical patent/FR588631A/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
FR588631D 1923-11-08 1924-11-07 Perfectionnements apportés aux porte-mines à poussoir Expired FR588631A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE224554X 1923-11-08

Publications (1)

Publication Number Publication Date
FR588631A true FR588631A (fr) 1925-05-12

Family

ID=3866160

Family Applications (1)

Application Number Title Priority Date Filing Date
FR588631D Expired FR588631A (fr) 1923-11-08 1924-11-07 Perfectionnements apportés aux porte-mines à poussoir

Country Status (2)

Country Link
FR (1) FR588631A (fr)
GB (1) GB224554A (fr)

Also Published As

Publication number Publication date
GB224554A (en) 1925-02-26

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