3902239

Information

• Patent Grant
• 3902239

• References
• Source

• Patent Number

  3,902,239

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1975
  49 years ago

• CPC

  • B65D88/34 - having floating covers
  • B65D88/36 - with relatively movable sections
  • Y10T29/49805 - Shaping by direct application of fluent pressure
  • Y10T29/4984 - Retaining clearance for motion between assembled parts
  • Y10T29/49877 - of flexible wall, expansible chamber devices [e.g., bellows]

• US Classifications

  • 029 - Metal working