3470628

Information

• Patent Grant
• 3470628

• References
• Source

• Patent Number

  3,470,628

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1969
  55 years ago

• CPC

  • G09B29/06 - of belt form
  • G09B1/24 - the elements being in flexible strip form
  • G09B19/0015 - Dancing

• US Classifications

  • 434 - Education and demonstration