Writing instruments of the ball tip type

Invention Grant

US2708903A Writing instruments of the ball tip type 失效

Title translation: 书写乐器的球头型

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Patent Title: Writing instruments of the ball tip type
Patent Title (中): 书写乐器的球头型
Application No.: US16984950

Application Date: 1950-06-23
Publication No.: US2708903A

Publication Date: 1955-05-24
Inventor: REINHARD FEHLING HANS
Applicant: COMPANIA URUGUAYA DE FOMENTO INDUSTRIAL SA
Assignee: Uruguaya De Fomento Industrial SA Cia
Current Assignee: Uruguaya De Fomento Industrial SA Cia
Priority: US16984950 1950-06-23; GB286153X 1949-06-23; GB200650X 1950-06-20
Main IPC: B43K7/04
IPC: B43K7/04

Writing instruments of the ball tip type

Public/Granted literature

US11495613B2 Three-dimensional memory device with high mobility channels and nickel aluminum silicide or germanide drain contacts and method of making the same Public/Granted day:2022-11-08

Information query

Espacenet

IPC分类:

B	作业；运输
B43	书写或绘图器具；办公用品
B43K	书写或绘图器具（用于化妆物质，例如剃须皂、唇膏、化妆用品的容器、盒子或附件入A45D34/00，A45D40/00）
B43K7/00	圆珠笔（多用书写器具入B43K27/00）
B43K7/02	.贮墨管；墨水囊（B43K7/01优先）
B43K7/04	..贮墨管再加墨的装置，例如圆珠端的装置

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