FR770029A - Perfectionnements apportés aux porte-mines à poussoir - Google Patents

Perfectionnements apportés aux porte-mines à poussoir

Info

Publication number: FR770029A
Authority: FR; France
Prior art keywords: mechanical pencils; push mechanical; push; pencils; mechanical
Prior art date: 1933-06-10
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

Inventor

Joseph Augustin Colligno Louis

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.)

1933-06-10

Filing date

1933-06-10

Publication date

1934-09-06

1933-06-10 Application filed filed Critical

1934-09-06 Application granted granted Critical

1934-09-06 Publication of FR770029A publication Critical patent/FR770029A/fr

Status Expired legal-status Critical Current

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

FR770029D 1933-06-10 1933-06-10 Perfectionnements apportés aux porte-mines à poussoir Expired FR770029A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR770029T		1933-06-10

Publications (1)

Publication Number	Publication Date
FR770029A true FR770029A (fr)	1934-09-06

Family

ID=9185199

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR770029D Expired FR770029A (fr)	1933-06-10	1933-06-10	Perfectionnements apportés aux porte-mines à poussoir

Country Status (1)

Country	Link
FR (1)	FR770029A (fr)

1933
- 1933-06-10 FR FR770029D patent/FR770029A/fr not_active Expired

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