1425412

Information

• Patent Grant
• 1425412

• References
• Source

• Patent Number

  1,425,412

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1922
  101 years ago

• CPC

  • G05D16/0625 - acting indirectly on the obturator

• US Classifications

  • 251 - Valves and valve actuation
  • 092 - Expansible chamber devices