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:
Oct. 05, 1999
Filed:
Aug. 07, 1998
Applicant:
Inventor:
Paul G Held, Burlington, VT (US);
Assignee:
Bio-Tek Holdings, Inc., Winooski, VT (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
356244 ; 356246 ; 356236 ;
Abstract
A system for performing vertical spectrophotometric determinations uses a vessel which has an upper transparent surface and a lower transparent surface which are spaced apart to define a known fixed pathlength through which a light beam is transmitted. The vessel also includes a portion disposed above the upper surface which may be a spout having an opening for allowing the introduction of substances into the containment portion.