| 发明名称 |
Window screen frame |
| 摘要 |
A screen frame formed from a metal sheet in a single unit folds and locks on V-cuts in a tube by a locking mechanism that is configured to engage in crossed directions by the folding.
|
| 申请公布号 |
US5881525(A) |
申请公布日期 |
1999.03.16 |
| 申请号 |
US19970958650 |
申请日期 |
1997.10.27 |
| 申请人 |
HARMEL AUTOMATION, INC. |
发明人 |
RIEGELMAN, HARRY M.;STERN, MELVIN J. |
| 分类号 |
E06B9/52;(IPC1-7):E04C2/38 |
主分类号 |
E06B9/52 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
