請問一下美國專利 - 專利
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By Ula
at 2012-03-04T08:49
at 2012-03-04T08:49
Table of Contents
大大好 小弟是專利新人 想請教先進一個很基礎的美國專利問題
就是若申請案已正式被通過(issued), 會出現USXXXXX 的數字是嗎? 不再是
以日期出現是嗎? 且常常會看到USXXXXX 後面還有B1或B2, 那是甚麼意思呢?
謝謝大大
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By Christine
at 2012-03-04T19:54
at 2012-03-04T19:54
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By Harry
at 2012-03-09T08:50
at 2012-03-09T08:50
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