1509094

Information

• Patent Grant
• 1509094

• References
• Source

• Patent Number

  1,509,094

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1924
  100 years ago

• CPC

  • F04B9/1073 - with actuation in the other direction by gravity

• US Classifications

  • 417 - Pumps
  • 200 - Electricity: circuit makers and breakers