ClassID:

195387

G09B23/22 - CPC Classification

Classification description:

Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for optics

Recent Application in this class:
#1
20260099059
2026-04-09

DOUBLE-SIDED, MULTIPLANE, BACKWARD REFRACTION IMAGING DEVICE FOR USE IN OPTICS RELATED STEM EDUCATION

#2
20260056355
2026-02-26

Polyhedral Optical Conduit with Support Cradle

#3
20250252868
2025-08-07

MODULAR, 3D PRINTABLE KIT FOR SMALL SCALE LASER OPTICS EXPERIMENTS

#4
20240210273
2024-06-27

Photochromic Lens Demonstration Unit

#5
20240144843
2024-05-02

Polyhedral Optical Conduit

#6
20240046817
2024-02-08

Exchangeable optical principles demonstrating kit

#7
20230394990
2023-12-07

SIMULATION DEVICE FOR ELECTRON-EXCITED ATMOSPHERIC RADIATION

#8
20220260427
2022-08-18

Method and system utilizing absolute velocity to improve the performance of electromagnetic devices

#9
20220122485
2022-04-21

Demonstration device for photochromic lenses

#10
20220068162
2022-03-03

Methods and devices for simulating electromagnetic beams

#11
20210398438
2021-12-23

PROGRAMMABLE EDUCATION DEVICE

#12
20190318661
2019-10-17

Simulating eye surgery

#13
20190311652
2019-10-10

Ophthalmological teaching aid

#14
20190213916
2019-07-11

Method and apparatus for demonstrating optical properties of lenses for spectacle glasses

#15
20190200854
2019-07-04

Model Eye Design for Calibrating Imaging Systems and Related Methods, Systems and Devices

#16
20190051216
2019-02-14

Simulating eye surgery

#17
20180315344
2018-11-01

Hybrid simulator and method for teaching optics or for training adjustment of an optical device

#18
20180082601
2018-03-22

Programmable education device

#19
20170124915
2017-05-04

Reflection teaching aid

#20
20160154255
2016-06-02

Method for determining a visual effect of an ophthalmic lens

#21
20160111024
2016-04-21

Demonstrator of qualities of a spectacle lens material

#22
20150332608
2015-11-19

LASER DAZZLE EVALUATION

#23
20150206455
2015-07-23

Apparatus and method for demonstrating the visual impression for a wearer of spectacles having polarizing spectacle lenses

#24
20150022801
2015-01-22

System for evaluating a gemstone

#25
20120008103
2012-01-12

Ray Casting for Coherent Light Internal Projection Systems

#26
20110170059
2011-07-14

Physical model eye systems and methods

#27
20080272763
2008-11-06

Antistatic demonstrator

#28
20080139082
2008-06-12

Expressive eyes with dilating and constricting pupils

#29
20070247700
2007-10-25

Systems and methods for sensory stimulation

#30
20060055625
2006-03-16

Microscopy laboratory system

#31
20050069858
2005-03-31

Computer-implemented method of and system for teaching an untrained observer to evaluate a gemstone