3857161

Information

• Patent Grant
• 3857161

• References
• Source

• Patent Number

  3,857,161

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1974
  50 years ago

• CPC

  • B23K28/003 - Welding in a furnace
  • H01S3/034 - Optical devices within, or forming part of, the tube
  • Y10S29/022 - Method or apparatus using indium

• US Classifications

  • 228 - Metal fusion bonding
  • 029 - Metal working