发明名称 Improvements in and relating to reservoir writing instruments
摘要 695,673. Reservoir pens. CAMPANIA URUGUAYA DE FOMENTO INDUSTRIAL SOC. ANON. Sept. 28, 1948. [June 3, 1947] No. 19412/51. Divided out of 695,621. Drawings to Specification. Class 146 (iii). In a ball-point pen having a reservoir in the form of a vented tube, at the end of the ink column remote from the ball, a liquid or semiliquid seal is provided which is substantially immiscible with the ink, constitutes a continuation of the ink column, and retains or assists in retaining the ink column in position to prevent leakage. The description is substantially the same as that of Specification 695,621, which is referred to but the claims differ. Specifications 571,698, 573,747, 629,226, 629,283, 634,564 and 688,891 also are referred to.
申请公布号 GB695673(A) 申请公布日期 1953.08.12
申请号 GB19510019412 申请日期 1947.06.03
申请人 COMPANIA URUGUAYA DE FOMENTO INDUSTRIAL S.A. 发明人 FEHLING HANS REINHARD
分类号 B43K7/035;B43K7/08 主分类号 B43K7/035
代理机构 代理人
主权项
地址