3772805

Information

• Patent Grant
• 3772805

• References
• Source

• Patent Number

  3,772,805

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1973
  51 years ago

• CPC

  • E02F3/907 - Measuring or control devices
  • E02F3/92 - Digging elements
  • Y10S37/906 - Visual aids and indicators for excavating tool
  • Y10T137/0335 - Controlled by consistency of mixture
  • Y10T137/0352 - Controlled by pressure
  • Y10T137/2506 - By viscosity or consistency

• US Classifications

  • 037 - Excavating
  • 137 - Fluid handling
  • 333 - Wave transmission lines and networks
  • 417 - Pumps