FR538085A - Porte-mine perfectionné - Google Patents

Porte-mine perfectionné

Info

Publication number
FR538085A
FR538085A FR538085DA FR538085A FR 538085 A FR538085 A FR 538085A FR 538085D A FR538085D A FR 538085DA FR 538085 A FR538085 A FR 538085A
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
Herman-L 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 FR538085A publication Critical patent/FR538085A/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
FR538085D 1921-07-09 1921-07-09 Porte-mine perfectionné Expired FR538085A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR538085T 1921-07-09

Publications (1)

Publication Number Publication Date
FR538085A true FR538085A (fr) 1922-06-03

Family

ID=8927957

Family Applications (1)

Application Number Title Priority Date Filing Date
FR538085D Expired FR538085A (fr) 1921-07-09 1921-07-09 Porte-mine perfectionné

Country Status (1)

Country Link
FR (1) FR538085A (fr)

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