3909966

Information

• Patent Grant
• 3909966

• References
• Source

• Patent Number

  3,909,966

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1975
  49 years ago

• CPC

  • G09D3/06 - with rotatable members

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 235 - Registers
  • 368 - Horology: time measuring systems or devices