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:
Feb. 28, 1995
Filed:
Feb. 09, 1994
Applicant:
Inventors:
Nelson E Dervaes, Loveland, CO (US);
John R Dunkle, Loveland, CO (US);
Assignee:
Hach Company, Loveland, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; B32B / ;
U.S. Cl.
CPC ...
204419 ; 204416 ; 20415313 ; 264135 ;
Abstract
An improved electrode is described having a replaceable cap in which a crystal membrane is mechanically secured. Leakage around the crystal membrane is avoided. The cap can be easily and quickly replaced, as desired.