2990821

Information

• Patent Grant
• 2990821

• References
• Source

• Patent Number

  2,990,821

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1961
  63 years ago

• CPC

  • F02M11/04 - the later stage valves having damping means

• US Classifications

  • 123 - Internal-combustion engines
  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices
  • 188 - Brakes
  • 251 - Valves and valve actuation
  • 261 - Gas and liquid contact apparatus