3908521

Information

• Patent Grant
• 3908521

• References
• Source

• Patent Number

  3,908,521

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1975
  49 years ago

• CPC

  • F02F3/04 - having expansion-controlling inserts
  • F02F3/042 - the inserts consisting of reinforcements in the skirt interconnecting separate wall parts
  • F16J1/04 - Resilient guiding parts
  • F16J1/06 - with separate expansion members Expansion members
  • F05C2201/021 - Aluminium
  • F05C2201/0448 - Steel
  • F05C2251/042 - Expansivity

• US Classifications

  • 092 - Expansible chamber devices