2809248

Information

• Patent Grant
• 2809248

• References
• Source

• Patent Number

  2,809,248

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1957
  68 years ago

• CPC

  • B01D35/143 - Filter condition indicators
  • Y10S200/22 - Strain relief, shear pin
  • Y10S200/29 - Ball

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 210 - Liquid purification or separation
  • 340 - Communications: electrical