1839402

Information

• Patent Grant
• 1839402

• References
• Source

• Patent Number

  1,839,402

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1932
  93 years ago

• CPC

  • G06C11/08 - with punching mechanism
  • Y10S137/906 - Valves biased by fluid "springs"
  • Y10T83/8729 - Predetermined sequence of selection

• US Classifications

  • 234 - Selective cutting
  • 073 - Measuring and testing
  • 083 - Cutting
  • 137 - Fluid handling
  • 178 - Telegraphy
  • 235 - Registers
  • 341 - Coded data generation or conversion