FR935230A - Crayon à mine mobile et à niveau visible - Google Patents

Crayon à mine mobile et à niveau visible

Info

Publication number
FR935230A
FR935230A FR935230DA FR935230A FR 935230 A FR935230 A FR 935230A FR 935230D A FR935230D A FR 935230DA FR 935230 A FR935230 A FR 935230A
Authority
FR
France
Prior art keywords
movable lead
level movable
lead pencil
visible level
visible
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
Robert Charmat
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 FR935230A publication Critical patent/FR935230A/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
    • 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
    • B43K21/06—Writing-core feeding mechanisms with the writing-cores fed by means sliding in longitudinally-slotted casings
FR935230D 1946-10-18 1946-10-18 Crayon à mine mobile et à niveau visible Expired FR935230A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR935230T 1946-10-18

Publications (1)

Publication Number Publication Date
FR935230A true FR935230A (fr) 1948-06-14

Family

ID=9456614

Family Applications (1)

Application Number Title Priority Date Filing Date
FR935230D Expired FR935230A (fr) 1946-10-18 1946-10-18 Crayon à mine mobile et à niveau visible

Country Status (1)

Country Link
FR (1) FR935230A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3119376A (en) * 1962-01-26 1964-01-28 John P Shurcliff Laminated pencil with detachable lead

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3119376A (en) * 1962-01-26 1964-01-28 John P Shurcliff Laminated pencil with detachable lead

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