1992841

Information

• Patent Grant
• 1992841

• References
• Source

• Patent Number

  1,992,841

• Date Filed

  Not available

• Date Issued

  Tuesday, February 26, 1935
  89 years ago

• CPC

  • B41F33/025 - Counters
  • Y10S200/21 - Pencil, counter or dispenser operated
  • Y10T74/20207 - Multiple controlling elements for single controlled element
  • Y10T137/2278 - Pressure modulating relays or followers
  • Y10T137/8158 - With indicator, register, recorder, alarm or inspection means
  • Y10T137/86445 - Plural, sequential, valve actuations

• US Classifications

  • 235 - Registers
  • 074 - Machine element or mechanism
  • 091 - Motors: expansible chamber type
  • 137 - Fluid handling
  • 200 - Electricity: circuit makers and breakers