2770932

Information

• Patent Grant
• 2770932

• References
• Source

• Patent Number

  2,770,932

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1956
  68 years ago

• CPC

  • F16J3/02 - Diaphragms
  • Y10S29/044 - Vacuum
  • Y10S53/03 - Sealing electron tubes
  • Y10T29/49877 - of flexible wall, expansible chamber devices [e.g., bellows]

• US Classifications

  • 053 - Package making
  • 029 - Metal working
  • 096 - Gas separation: apparatus
  • 141 - Fluent material handling, with receiver or receiver coacting means