287072

Information

• Patent Grant
• 287072

• References
• Source

• Patent Number

  287,072

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1883
  141 years ago

• CPC

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

• US Classifications

  • 029 - Metal working