1639109

Information

• Patent Grant
• 1639109

• References
• Source

• Patent Number

  1,639,109

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1927
  97 years ago

• CPC

  • B23K11/002 - specially adapted for particular articles or work
  • Y10T29/49519 - Joining spokes to hub

• US Classifications

  • 219 - Electric heating
  • 029 - Metal working
  • 228 - Metal fusion bonding