649702

Information

• Patent Grant
• 649702

• References
• Source

• Patent Number

  649,702

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1900
  124 years ago

• CPC

  • G01F23/74 - for sensing changes in level only at discrete points
  • E03F7/00 - Other installations or implements for operating sewer systems
  • Y10S200/15 - Bin alarm

• US Classifications

  • 340 - Communications: electrical
  • 116 - Signals and indicators
  • 193 - Conveyors, chutes, skids, guides, and ways
  • 200 - Electricity: circuit makers and breakers