3620447

Information

• Patent Grant
• 3620447

• References
• Source

• Patent Number

  3,620,447

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • G06M1/044 - with escapements
  • G06M1/283 - with drums
  • G06M1/303 - with drums
  • G06M3/021 - with drums type indicating means

• US Classifications

  • 235 - Registers