1801960

Information

• Patent Grant
• 1801960

• References
• Source

• Patent Number

  1,801,960

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1931
  93 years ago

• CPC

  • F16K3/3165 - with rollers or balls

• US Classifications

  • 251 - Valves and valve actuation