CH257431A - Mechanischer Bleistift mit Rückführung der Mine. - Google Patents

Mechanischer Bleistift mit Rückführung der Mine.

Info

Publication number
CH257431A
CH257431A CH257431DA CH257431A CH 257431 A CH257431 A CH 257431A CH 257431D A CH257431D A CH 257431DA CH 257431 A CH257431 A CH 257431A
Authority
CH
Switzerland
Prior art keywords
mechanical pencil
lead back
lead
pencil
mechanical
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Koh-I-Noor Nationalunternehmen
Original Assignee
Koh I Noor Bleistiftfabrik L &
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 Koh I Noor Bleistiftfabrik L & filed Critical Koh I Noor Bleistiftfabrik L &
Publication of CH257431A publication Critical patent/CH257431A/de

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
    • B43K21/16—Writing-core feeding mechanisms with stepwise feed of writing-cores
    • B43K21/20—Writing-core feeding mechanisms with stepwise feed of writing-cores with writing-cores automatically replaced from magazines
CH257431D 1947-07-07 1947-08-14 Mechanischer Bleistift mit Rückführung der Mine. CH257431A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS257431X 1947-07-07

Publications (1)

Publication Number Publication Date
CH257431A true CH257431A (de) 1948-10-15

Family

ID=5451485

Family Applications (1)

Application Number Title Priority Date Filing Date
CH257431D CH257431A (de) 1947-07-07 1947-08-14 Mechanischer Bleistift mit Rückführung der Mine.

Country Status (4)

Country Link
BE (1) BE475862A (enrdf_load_stackoverflow)
CH (1) CH257431A (enrdf_load_stackoverflow)
GB (1) GB638116A (enrdf_load_stackoverflow)
NL (1) NL69655C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL69655C (enrdf_load_stackoverflow)
GB638116A (en) 1950-05-31
BE475862A (enrdf_load_stackoverflow)

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