发明授权
- 专利标题: Line-lock mechanism and margin-release mechanism for typewriting machines
- 专利标题(中): 打字机的线锁机构和边缘释放机构
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申请号: US47316721申请日: 1921-05-27
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公开(公告)号: US1417906A公开(公告)日: 1922-05-30
- 发明人: BERNARD HESS EDWARD , CARY MYERS LEWIS
- 申请人: ROYAL TYPEWRITER CO INC
- 专利权人: Royal Typewriter Co Inc
- 当前专利权人: Royal Typewriter Co Inc
- 优先权: US47316721 1921-05-27; US43692421 1921-01-13; US47316321 1921-05-27; US47316621 1921-05-27; US47316121 1921-05-27; US47316221 1921-05-27; US47316421 1921-05-27; US47316521 1921-05-27; US47316921 1921-05-27; US47317021 1921-05-27
- 主分类号: B41J1/04
- IPC分类号: B41J1/04 ; B41J3/36 ; B41J11/22 ; B41J11/62 ; B41J13/30 ; B41J19/66 ; B41J19/76 ; B41J25/02 ; B41J29/42 ; B41J29/50
信息查询
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