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
Method and system for dynamically representing distributed information
Method for switching between virtualized and non-virtualized system operation
Wire catalyst for hydrogenation/dehydrogenation reaction and manufacturing method therefor
Sacrificial spacer approach for differential source/drain implantation spacers in transistors comprising a high-k metal gate electrode structure
Circuit breakers
Methods, devices and computer program products providing for establishing a model for emulating a physical quantity which depends on at least one input parameter, and use thereof
Security access protection for user data stored in a cloud computing facility
  Randomly Featured Patents
Side panel for a furniture drawer
Method and system for providing access to a telecommunications network
Method for manufacturing plasma display panel
Coupling for a focused ultrasonic transducer
Small electronic card with peripheral contacts
Game apparatus
Silver halide photographic light-sensitive material
Direction finding interferometer internal calibration system
Method of manufacturing chemically adsorbed film
Solid-state imaging device, method of making the same, and imaging apparatus