57869

Information

• Patent Grant
• 57869

• References
• Source

• Patent Number

  57,869

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1866
  158 years ago

• CPC

  • B23D73/02 - Preliminary treatment of blanks
  • Y10T29/448 - File-blank stripper

• US Classifications

  • 029 - Metal working