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:
Nov. 09, 1993
Filed:
Apr. 27, 1992
Applicant:
Inventors:
Rajesh D Patel, Fremont, CA (US);
Nurith Kurn, Palo Alto, CA (US);
Martin Becker, Palo Alto, CA (US);
Edwin F Ullman, Atherton, CA (US);
Assignee:
Syntex (U.S.A.) Inc., Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
436180 ; 436169 ; 422 55 ; 422 56 ; 422 58 ; 422100 ;
Abstract
Methods and devices for permitting capillary flow of liquid between two or more pieces of bibulous material which, prior to actuation, are in a non-capillary flow relationship. In particular, the device is actuated and a capillary flow relationship is initiated between the two or more pieces of bibulous material in non-capillary flow relationship by utilizing a liquid expandable piece of bibulous material.