2650561

Information

• Patent Grant
• 2650561

• References
• Source

• Patent Number

  2,650,561

• Date Filed

  Not available

• Date Issued

  Tuesday, September 1, 1953
  71 years ago

• CPC

  • B64D13/02 - the air being pressurised
  • A62B9/006 - Indicators or warning devices
  • G01P13/0006 - of fluids or of granulous or powder-like substances
  • Y10S116/23 - Movable index

• US Classifications

  • 116 - Signals and indicators