3457839

Information

• Patent Grant
• 3457839

• References
• Source

• Patent Number

  3,457,839

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1969
  55 years ago

• CPC

  • B23K1/20 - Preliminary treatment of work or areas to be soldered
  • G05D16/0619 - acting directly on the obturator
  • G05D23/126 - using a capillary tube
  • Y10T29/49877 - of flexible wall, expansible chamber devices [e.g., bellows]

• US Classifications

  • 092 - Expansible chamber devices
  • 029 - Metal working
  • 228 - Metal fusion bonding