Resources Contact Us Home
Browse by Category: Main > Business
Class Information
Number: 434/329
Name: Education and demonstration > Question or problem eliciting response > Correctness of response indicated to examine by self-operating or examinee actuated means > Involving fluid flow
Description: Subject matter wherein the correctness of the examinee"s response is revealed by means involving movement of a fluid.

Patents under this class:

Patent Number Title Of Patent Date Issued
4354845 Identification structure for games and educational use and for other use Oct. 19, 1982

  Recently Added Patents
Image browsing device, computer control method and information recording medium
System and method for browsing tabbed-heterogeneous windows
Device and method for quantizing and inverse quantizing LPC filters in a super-frame
Medical device arm
Termite tubing preventative for non-wood materials
  Randomly Featured Patents
Server-based cryptography
EEPROM memory cell with improved protection against errors due to cell breakdown
Font of type
Cylindrical high voltage supercapacitor and method of manufacturing the same
LED lighting fixture
Multiplex targeted amplification using flap nuclease
Disposal container with locking closure
Composition comprising an adenoviral expression vector comprising a CD40L fusion protein for generating immune responses
Selective adherence of stent-graft coverings, mandrel and method of making stent-graft device
Portable sunshield