189150

Information

• Patent Grant
• 189150

• References
• Source

• Patent Number

  189,150

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1877
  148 years ago

• CPC

  • B21K19/02 - plough blades ploughshares
  • Y10T29/27 - Plow or cultivator iron making

• US Classifications

  • 228 - Metal fusion bonding
  • 029 - Metal working