DE143542C - - Google Patents

Info

Publication number
DE143542C
DE143542C DENDAT143542D DE143542DA DE143542C DE 143542 C DE143542 C DE 143542C DE NDAT143542 D DENDAT143542 D DE NDAT143542D DE 143542D A DE143542D A DE 143542DA DE 143542 C DE143542 C DE 143542C
Authority
DE
Germany
Prior art keywords
lead
clamping devices
clamping device
clamping
resilient
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.)
Active
Application number
DENDAT143542D
Other languages
German (de)
English (en)
Publication of DE143542C publication Critical patent/DE143542C/de
Active 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
    • B43K21/16—Writing-core feeding mechanisms with stepwise feed of writing-cores

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
DENDAT143542D Active DE143542C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE143542C true DE143542C (enrdf_load_stackoverflow)

Family

ID=411030

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT143542D Active DE143542C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE143542C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4381213A (en) * 1980-12-15 1983-04-26 Motorola, Inc. Partial vacuum boron diffusion process
US4521441A (en) * 1983-12-19 1985-06-04 Motorola, Inc. Plasma enhanced diffusion process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4381213A (en) * 1980-12-15 1983-04-26 Motorola, Inc. Partial vacuum boron diffusion process
US4521441A (en) * 1983-12-19 1985-06-04 Motorola, Inc. Plasma enhanced diffusion process

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