英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:



安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • United States Patent and Trademark Office
    Home page of the United States Patent and Trademark Office's main web site
  • Search for patents | USPTO
    Find existing patents, published patent applications and other published patent documentation
  • Forms for patent applications | USPTO
    Due to the enactment of the America Invents Act in 2012, this page contains forms for patent applications filed on or after September 16, 2012
  • Patent Public Search | USPTO
    A powerful, flexible web-based patent search application that improves the overall patent searching process It includes two user selected interfaces that provide enhanced access to prior art
  • System status and availability | USPTO
    System status and availability Check this webpage for the latest information on the operating status of USPTO's systems and planned maintenance activities
  • Interview Practice | USPTO
    USPTO AIR is a web-based tool that allows Applicants to request and interview with an Examiner for their pending patent application AIR is a convenient online form for submitting requests for interviews Applicants may file their Automated Interview Request (AIR) via Patent Center The request can be found under the Existing Submissions dropdown menu in Patent Center After the form is
  • United States Patent Trademark Office
    If you need help: Send general questions about USPTO programs to the USPTO Contact Center (UCC) If you experience technical difficulties or problems with this application, please report them via e-mail to Electronic Business Support or call 1 800-786-9199
  • United States Patent and Trademark Office
    Download practitioner roster The listings contain contact information for active attorneys, agents, design and limited recognition practitioners authorized to practice before the U S Patent and Trademark Office The roster file is updated nightly
  • Contact us | USPTO
    Phone numbers, email addresses, and other contact information for USPTO offices and business centers
  • Home | Open Data Portal
    The Open Data Portal (ODP) is USPTO's data platform that empowers you to discover and easily extract USPTO data in one place for free





中文字典-英文字典  2005-2009