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:
Jul. 07, 1992
Filed:
Jul. 08, 1991
Applicant:
Inventor:
Vance C Mitchell, Irvine, CA (US);
Assignee:
Hycor Biomedical, Fountain Valley, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359397 ; 359398 ;
Abstract
A transparent plastic slide for microscopic examination of fluids with at least one grid defined on the floor portion of the slide. The grid consisting of lines rising symmetrically from the floor portion of the slide with a line width of from about 0.05 to 0.005 mm. The lines defining enclosed areas, in which particles suspended in sample fluids can be counted. The sizes of enclosed areas being selected to be within the field of view for microscopic examination.