| 发明名称 |
Twist-type telescopic ball-point pen |
| 摘要 |
An extendable/contractible writing instrument with a simple rotating operation. The writing medium is exposed through a rotating motion, while at the same time also exposing an auxiliary tool, such as a silicon gum eraser, at the opposite end.
|
| 申请公布号 |
US2005214057(A1) |
申请公布日期 |
2005.09.29 |
| 申请号 |
US20050030529 |
申请日期 |
2005.01.05 |
| 申请人 |
KATOH KINZOKU KOUGYO KABUSHIKI KAISHA |
发明人 |
KATO HIROYASU |
| 分类号 |
B43K7/12;B43K21/00;B43K21/08;B43K21/16;B43K24/06;B43K25/00;B43K29/00;B43K29/02;(IPC1-7):B43K25/00 |
主分类号 |
B43K7/12 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
