FR845662A - Porte-mine réglable pour instruments à dessin, notamment pour compas - Google Patents

Porte-mine réglable pour instruments à dessin, notamment pour compas

Info

Publication number
FR845662A
FR845662A FR845662DA FR845662A FR 845662 A FR845662 A FR 845662A FR 845662D A FR845662D A FR 845662DA FR 845662 A FR845662 A FR 845662A
Authority
FR
France
Prior art keywords
compasses
mechanical pencil
adjustable mechanical
drawing instruments
instruments
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leica Aarau AG
Original Assignee
Kern and Co AG
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 by Kern and Co AG filed Critical Kern and Co AG
Application granted granted Critical
Publication of FR845662A publication Critical patent/FR845662A/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
    • B43K21/04—Writing-core feeding mechanisms with the writing-cores brought into position by gravity
FR845662D 1937-11-22 1938-11-05 Porte-mine réglable pour instruments à dessin, notamment pour compas Expired FR845662A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH845662X 1937-11-22

Publications (1)

Publication Number Publication Date
FR845662A true FR845662A (fr) 1939-08-30

Family

ID=4541791

Family Applications (1)

Application Number Title Priority Date Filing Date
FR845662D Expired FR845662A (fr) 1937-11-22 1938-11-05 Porte-mine réglable pour instruments à dessin, notamment pour compas

Country Status (1)

Country Link
FR (1) FR845662A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995027626A1 (fr) * 1994-04-07 1995-10-19 Parker Pen Products Instrument d'ecriture
US5598604A (en) * 1995-05-08 1997-02-04 Ho; Kun-Chuan Pencil-shaped eraser

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995027626A1 (fr) * 1994-04-07 1995-10-19 Parker Pen Products Instrument d'ecriture
US5598604A (en) * 1995-05-08 1997-02-04 Ho; Kun-Chuan Pencil-shaped eraser

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