The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 13, 2005
Filed:
Jun. 12, 2001
Roy Edward Creek, Newick, GB;
Roy Edward Creek, Newick, GB;
SEOS Limited, West Sussex, GB;
Abstract
Collimated visual display apparatus comprising an aspheric screen () and a curved collimating mirror (), characterised in that the aspheric screen () is not a surface of revolution about an axis, the aspheric screen () comprises first and second parts () which are separated from each other by a third part (), the first and second parts () are curved in cross section and if connected together then they would form a surface of revolution, the third part () is straight in cross sectional view and is a short cylindrical centre section, and the collimated visual display apparatus is such that the aspheric screen () has an outer curved surface that is viewed via the curved collimating mirror () by a user of the collimated visual display apparatus.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile