发明名称 Timepiece having central opening
摘要 A time piece such as a pocket or wrist watch having a large central opening formed therethrough which causes the watch to assume a toroidal configuration. Various inserts, made complimentary respective to the central opening, are supported within the central opening. The artistic design placed on either face of the insert admits a large selection of unique and personalized material to be readily available to the individual that wears the watch.
申请公布号 US4525077(A) 申请公布日期 1985.06.25
申请号 US19840652746 申请日期 1984.09.19
申请人 KETNER, EUGENE N. 发明人 KETNER, EUGENE N.
分类号 G04B19/04;G04B45/00;(IPC1-7):G04B19/20;G04B37/00 主分类号 G04B19/04
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