1231261

Information

• Patent Grant
• 1231261

• References
• Source

• Patent Number

  1,231,261

• Date Filed

  Not available

• Date Issued

  Tuesday, June 26, 1917
  107 years ago

• CPC

  • G05D13/00 - Control of linear speed Control of angular speed Control of acceleration or deceleration
  • Y10S122/15 - Valves

• US Classifications

  • 091 - Motors: expansible chamber type
  • 073 - Measuring and testing
  • 122 - Liquid heaters and vaporizers