发明授权
- 专利标题: Letter plates
- 专利标题(中): 信板
-
申请号: US568911申请日: 1975-04-17
-
公开(公告)号: US3991934A公开(公告)日: 1976-11-16
- 发明人: Richard David Hamblin
- 申请人: Richard David Hamblin
- 申请人地址: EN
- 专利权人: Archibald Kenrick and Sons Limited
- 当前专利权人: Archibald Kenrick and Sons Limited
- 当前专利权人地址: EN
- 主分类号: A47G29/126
- IPC分类号: A47G29/126 ; G09F3/20 ; A47H33/00
摘要:
A letter plate comprising an extruded flap and an extruded frame, the flap and the frame having respective inter-engaging hinge formations which form parts of the respective extruded sections, the flap in one example having an integral lengthwise extending enlargement occupying a correspondingly shaped recess extending lengthwise of the frame.
公开/授权文献
- US5852637A Serial multi-GB/s data receiver 公开/授权日:1998-12-22
信息查询
IPC分类: