471890

Information

• Patent Grant
• 471890

• References
• Source

• Patent Number

  471,890

• Date Filed

  Not available

• Date Issued

  Tuesday, March 29, 1892
  132 years ago

• CPC

  • B41B9/10 - Moulds
  • Y10T29/38 - Type finishing and grooving

• US Classifications

  • 199 - Type casting
  • 029 - Metal working