Resources Contact Us Home
Browse by Category: Main > Business
Class Information
Number: 434/164
Name: Education and demonstration > Language > Writing or printing by hand > Tracing > Slotted or grooved path
Description: Subject matter wherein the path is a slot or groove.

Patents under this class:

Patent Number Title Of Patent Date Issued
8297979 Electronic learning device with a graphic user interface for interactive writing Oct. 30, 2012
7118135 Embossed paper Oct. 10, 2006
6544038 Systems and methods for printing characters using a template Apr. 8, 2003
6349127 Pulley and CT scanner Feb. 19, 2002
6142783 Handwriting template system Nov. 7, 2000
5516291 Letter-training plate May. 14, 1996
5501601 Educational drawing toy with sound-generating function Mar. 26, 1996
5027523 Learning device for aiding a person in forming alphanumeric combinations Jul. 2, 1991
5000688 Magnetic stencil letters Mar. 19, 1991
4960382 Educational writing board kit Oct. 2, 1990
4916826 Stencil for handprinting equally spaced, accurately aligned characters Apr. 17, 1990
4846688 Educational device for use in teaching writing skills Jul. 11, 1989
4838792 One letter alphabet (OLA) Jun. 13, 1989
4685885 Instructional printing equipment Aug. 11, 1987
4669986 Writing training device Jun. 2, 1987
4664633 Non-computer learning aid May. 12, 1987
4470197 Lettering guide Sep. 11, 1984
4130946 Educational device for motivating, and for developing scribing and reading skills in, the handicapped Dec. 26, 1978
4125658 Apparatus for use in drawing or marking graphic characters on a surface Nov. 14, 1978

  Recently Added Patents
Multicolored light converting LED with minimal absorption
Managing breakpoints in a multi-threaded environment
Multistable electromagnetic actuators
Post-processing including median filtering of noise suppression gains
Insulin derivative
Antibodies to CCR2
  Randomly Featured Patents
Methods of controlling components of blasting apparatuses, blasting apparatuses, and components thereof
Method and apparatus for team play of slot machines
Toughened compositions of polyamide and functionalized rubber block or graft copolymers
Vehicle air vent mounting device for supporting a GPS unit
Mitogen-activated protein kinase and method of use to enhance biotic and abiotic stress tolerance in plants
Pressure balanced brush seal
Substituted benzyloxy-carbonylguanidines, a process for their preparation, their use as a medicament or diagnostic, and a medicament containing them
Vibratory separator screen
Sighting direction detecting device for vehicle
Transdiscal administration of cycline compounds