Patent
   D308722
Priority
Apr 17 1987
Filed
Apr 17 1987
Issued
Jun 19 1990
Expiry
Jun 19 2004
Assg.orig
Entity
unknown
7
6
n/a
The ornamental design for an immunoassay matrix, as shown and described.

FIG. 1 is a perspective view of an immunoassay matrix showing our new design;

FIG. 2 is a top plan view thereof, the bottom plan view being the same in appearance;

FIG. 3 is an end elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a second embodiment of FIG. 1, the undisclosed portions being identical to that shown in FIGS. 2-4 and the only difference residing in the number of clear circles disclosed;

FIG. 6 is a third embodiment of FIG. 1, the undisclosed portions being identical to that shown in FIGS. 2-4 and the only difference residing in the number of clear circles disclosed.

Chang, Nancy T., Chang, Tse W.

Patent Priority Assignee Title
9404911, Apr 21 2008 Quidel Corporation Integrated assay device and housing
9897602, Jul 30 2013 The Chinese University of Hong Kong Microarray substrate, microarray, microfluidic system and methods for preparing the same
D320269, Dec 10 1987 CMB Foodcan plc Test strip
D495805, May 25 2001 UMEDIK, INC Assay device
D606664, Aug 11 2008 Quidel Corporation Assay device and housing combined
D690828, Sep 17 2012 INTRON BIOTECHNOLOGY, INC Culture media device
D713973, Sep 25 2012 PDx BioTech Diagnostic test device
Patent Priority Assignee Title
4154795, Jul 23 1976 Dynatech Holdings Limited Microtest plates
4216245, Jun 20 1976 Miles Laboratories, Inc. Method of making printed reagent test devices
4317810, Sep 29 1975 CORDIS LABORATORIES, INC Waffle-like matrix for immunoassay and preparation thereof
4357142, Jul 18 1980 Akzona Incorporated Glass support coated with synthetic polymer for bioprocess
4468371, Jul 19 1982 HITACHI CHEMICAL DIAGNOSTICS, INC Immunoassay test slide
4803170, May 09 1985 BRITISH TECHNOLOGY GROUP USA INC Competitive immunoassay method, device and test kit
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 01 1900CHANG, TSE W TANOX BIOSYSTEMS, INC , 10301 STELLA LINK, HOUSTON, TEXAS 77025 A CORP OF TEXASASSIGNMENT OF ASSIGNORS INTEREST 0047200488 pdf
Apr 16 1987CHANG, NANCY, T ,TANOX BIOSYSTEMS, INC , 10301 STELLA LINK, HOUSTON, TEXAS 77025 A CORP OF TEXASASSIGNMENT OF ASSIGNORS INTEREST 0047200488 pdf
Apr 17 1987Tanox Biosystems, Inc.(assignment on the face of the patent)
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule