2089840

Information

• Patent Grant
• 2089840

• References
• Source

• Patent Number

  2,089,840

• Date Filed

  Not available

• Date Issued

  Tuesday, August 10, 1937
  87 years ago

• CPC

  • B23K9/0209 - of non-horizontal seams in assembling non-horizontal plates
  • B23K5/026 - of non-horizontal seams in assembling non-horizontal plates
  • Y10T29/31 - Spectacle-frame making

• US Classifications

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