FR651911A - Porte-mine mécanique - Google Patents

Porte-mine mécanique

Info

Publication number
FR651911A
FR651911A FR651911DA FR651911A FR 651911 A FR651911 A FR 651911A FR 651911D A FR651911D A FR 651911DA FR 651911 A FR651911 A FR 651911A
Authority
FR
France
Prior art keywords
mechanical pencil
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)
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.)
Bossert & Erhard
Original Assignee
Bossert & Erhard
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 Bossert & Erhard filed Critical Bossert & Erhard
Application granted granted Critical
Publication of FR651911A publication Critical patent/FR651911A/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
    • B43K21/085—Writing-core feeding mechanisms with the writing-cores fed by screws with a threaded propelling shank
FR651911D 1927-04-30 1928-03-28 Porte-mine mécanique Expired FR651911A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE651911X 1927-04-30

Publications (1)

Publication Number Publication Date
FR651911A true FR651911A (fr) 1929-03-01

Family

ID=6581605

Family Applications (1)

Application Number Title Priority Date Filing Date
FR651911D Expired FR651911A (fr) 1927-04-30 1928-03-28 Porte-mine mécanique

Country Status (1)

Country Link
FR (1) FR651911A (fr)

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