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:
Jun. 29, 1999
Filed:
Jun. 30, 1997
Applicant:
Inventor:
B Jin Chang, Ann Arbor, MI (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
G02C / ;
U.S. Cl.
CPC ...
351 47 ; 351163 ;
Abstract
A filter accessory is disclosed for use with a pair of eyeglasses. The accessory includes a filter lens of the type that substantially prevents the passage of light of a predetermined wavelength and means for mounting the filter lens inside the eyeglass lenses, wherein, in the preferred embodiment, engagement is made with nose pieces provided on the eyeglass frames.