1441734

Information

• Patent Grant
• 1441734

• References
• Source

• Patent Number

  1,441,734

• Date Filed

  Not available

• Date Issued

  Tuesday, January 9, 1923
  103 years ago

• CPC

  • G06M1/00 - Design features of general application
  • G06G3/02 - for performing additions or subtractions

• US Classifications

  • 235 - Registers