有没有谁有最早的易拉罐的专利申请书啊?
各位大侠:用什么关键词能检索到呢?有知道的麻烦告知,谢谢!
Re:最早的易拉罐专利申请书
看看这个是不是Pop-top Can
Today it’s easy to take for granted the experience of grabbing an ice-cold cola out of the cooler at the beach or at a picnic and popping it open instantly to drink when you wish. But before Ermal Cleon Fraze came up with his 1959 invention of the pop-top aluminum can, this was impossible. Canning foods and beverages were popular by then, of course, but openers or keys were necessary to get into the containers’ contents. Fraze changed that by coming up with a way to include an opening tool directly on the can itself.
http://web.mit.edu/invent/iow/fraze.html
Re:有没有谁有最早的易拉罐的专利申请书啊?
就是1959年发明的那个易拉罐,有没有这个专利的申请书?Re:有没有谁有最早的易拉罐的专利申请书啊?
就是1959年发明的那个易拉罐,有没有这个专利的申请书?Re:有没有谁有最早的易拉罐的专利申请书啊?
那个易拉罐美国申请号 应该是US19650469584 。下载地址：http://www.freepatentsonline.com/3349949.htmlRe:有没有谁有最早的易拉罐的专利申请书啊?
请问你是用什么方式检索到的？谢谢！Re:有没有谁有最早的易拉罐的专利申请书啊?
Fraze’s first version used a lever that pierced a hole in the can but resulted in sharp, sometimes dangerous edges. Later he created the familiar pull-tab version, which had a ring attached at the rivet for pulling, and which would come off completely to be tossed aside. He received U.S. patent No. 3,349,949 for his pull-top can design in 1963 and sold his invention to Alcoa.Re:有没有谁有最早的易拉罐的专利申请书啊?
To see the patent for Fraze\'s ring-pull can, go to the U.S. Patent and Trademark Office\'s Web site, at www.uspto.gov/ index.html, and click on \"Search\" under \"Patents\" on the left side of the page. Click on \"Patent Number Search\" on the left side of the next page, and put in: 3,349,949. Hit \"Search.\" Next, click on \"Images.\" You\'ll need QuickTime to see the drawings and pages.
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