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Class Information
Number: 434/298
Name: Education and demonstration > Science > Chemistry or metallurgy
Description: Subject matter relating to the science dealing with the composition, structure, and properties of substances such as chemicals or metals and the transformations that they undergo.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7494342 |
Apparatus and method for demonstrating the efficacy of a consumer product to produce a consumer-desired effect |
Feb. 24, 2009 |
| 7338287 |
Systems and methods for searching for and delivering solutions to specific problems and problem types |
Mar. 4, 2008 |
| 6769916 |
Methods and apparatus for demonstrating laws of physical chemistry |
Aug. 3, 2004 |
| 6690759 |
Zirconium-base alloy and nuclear reactor component comprising the same |
Feb. 10, 2004 |
| 6533585 |
Periodic pyramid: chemistry puzzle and teaching device |
Mar. 18, 2003 |
| 6413100 |
System and methods for searching for and delivering solutions to specific problems and problem types |
Jul. 2, 2002 |
| 6273727 |
Method and apparatus for calculating drug dosages and unit conversions and for teaching how to calculate drug dosages and unit conversions |
Aug. 14, 2001 |
| 6112051 |
Random problem generator |
Aug. 29, 2000 |
| 6027344 |
Simulant training kit for recognizing hazardous materials |
Feb. 22, 2000 |
| 5947745 |
Atomic model of simultaneous electron-pair-sharing and allosterism |
Sep. 7, 1999 |
| 5921781 |
3-dimensional models showing chemical point group symmetry |
Jul. 13, 1999 |
| 5915971 |
Tutorial device and method for determining drug dosages |
Jun. 29, 1999 |
| 5871361 |
Educational kit |
Feb. 16, 1999 |
| 5265029 |
Chemical calculator |
Nov. 23, 1993 |
| 5242307 |
Teaching tank |
Sep. 7, 1993 |
| 5122341 |
Device for gas contaminant tester training |
Jun. 16, 1992 |
| 5071132 |
Molecular structure game |
Dec. 10, 1991 |
| 5055259 |
Bloodless blood typing training kit |
Oct. 8, 1991 |
| 4824637 |
Alloy phase stability index diagram |
Apr. 25, 1989 |
| 4472145 |
Apparatus for teaching electrochemical principles |
Sep. 18, 1984 |
| 4432732 |
Method for predicting properties of a chemical compound |
Feb. 21, 1984 |
| 4204599 |
Educational kit for solidification of a chemical compound to produce crystal growth |
May. 27, 1980 |
| 4192084 |
Atomic model |
Mar. 11, 1980 |
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