1837552

Information

• Patent Grant
• 1837552

• References
• Source

• Patent Number

  1,837,552

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1931
  93 years ago

• CPC

  • B67D1/1461 - the valve shutter being integral with a compensator

• US Classifications

  • 251 - Valves and valve actuation
  • 222 - Dispensing
  • D23 - Environmental heating and cooling