求教专利编号相关的问题
Plaintiff Honeywell is the lawful owner of United State Patent No. 7,320,110,which was duly and legally issued by the <st1:country-region w:st="on">United States Patent and Trademark Office on ...我用这句话中的专利号7,320,110,在Google Patent http://www.google.com.hk/search?q=7320110&tbm=pts&tbo=1&hl=en 中搜索,找到了专利文件,问题是我注意到这份文件第一页右上角的Patent NO标注的是 7,320,110 B2. 请问各位,这个编号B2说明了什么?有特殊含义吗? 授权之前曾公开的专利。
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冷泉村人:授权之前曾公开的专利。 (2011-12-23 13:04) images/back.gifthanks
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