FR559852A - Porte-mine perfectionné - Google Patents

Porte-mine perfectionné

Info

Publication number
FR559852A
FR559852A FR559852DA FR559852A FR 559852 A FR559852 A FR 559852A FR 559852D A FR559852D A FR 559852DA FR 559852 A FR559852 A FR 559852A
Authority
FR
France
Prior art keywords
mechanical pencil
advanced mechanical
advanced
pencil
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
Arthur-Alphonse Merrheim
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 FR559852A publication Critical patent/FR559852A/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
    • B43K21/085—Writing-core feeding mechanisms with the writing-cores fed by screws with a threaded propelling shank
FR559852D 1922-03-07 1922-03-07 Porte-mine perfectionné Expired FR559852A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR559852T 1922-03-07

Publications (1)

Publication Number Publication Date
FR559852A true FR559852A (fr) 1923-09-22

Family

ID=8942500

Family Applications (1)

Application Number Title Priority Date Filing Date
FR559852D Expired FR559852A (fr) 1922-03-07 1922-03-07 Porte-mine perfectionné

Country Status (1)

Country Link
FR (1) FR559852A (fr)

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