FR838002A - Perfectionnements aux crayons à mine - Google Patents

Perfectionnements aux crayons à mine

Info

Publication number
FR838002A
FR838002A FR838002DA FR838002A FR 838002 A FR838002 A FR 838002A FR 838002D A FR838002D A FR 838002DA FR 838002 A FR838002 A FR 838002A
Authority
FR
France
Prior art keywords
lead pencils
pencils
lead
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.)
M A FERST Ltd
Original Assignee
M A FERST Ltd
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 M A FERST Ltd filed Critical M A FERST Ltd
Application granted granted Critical
Publication of FR838002A publication Critical patent/FR838002A/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
    • B43K19/00—Non-propelling pencils; Styles; Crayons; Chalks
    • B43K19/02—Pencils with graphite; Coloured pencils
FR838002D 1936-12-04 1938-05-14 Perfectionnements aux crayons à mine Expired FR838002A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US114291A US2131657A (en) 1936-12-04 1936-12-04 Lead pencil, lead therefor, and process of making the same
GB13533/38A GB502299A (en) 1936-12-04 1938-05-06 Improvements in or relating to lead pencils
DEF84955D DE714690C (de) 1936-12-04 1938-05-11 Verfahren zum Aufrauhen der Oberflaeche von in Huelsen einzuleimenden Minen fuer Bleistifte
FR838002T 1938-05-14

Publications (1)

Publication Number Publication Date
FR838002A true FR838002A (fr) 1939-02-24

Family

ID=10024706

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838002D Expired FR838002A (fr) 1936-12-04 1938-05-14 Perfectionnements aux crayons à mine

Country Status (4)

Country Link
US (1) US2131657A (fr)
DE (1) DE714690C (fr)
FR (1) FR838002A (fr)
GB (1) GB502299A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3060607A (en) * 1959-12-15 1962-10-30 Chr Olsen Akts Writing instrument
DE2718957C3 (de) * 1977-04-28 1982-02-04 Schwan Stabilo Schwanhaeusser Insbesondere für Kosmetikzwecke bestimmter Minenstift und Verfahren zu seiner Herstellung
US6179502B1 (en) * 1999-02-10 2001-01-30 Dixon Ticonderoga Company Writing instrument with locking core

Also Published As

Publication number Publication date
DE714690C (de) 1941-12-04
GB502299A (en) 1939-03-15
US2131657A (en) 1938-09-27

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