488653

Information

• Patent Grant
• 488653

• References
• Source

• Patent Number

  488,653

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1892
  132 years ago

• CPC

  • B23D73/02 - Preliminary treatment of blanks
  • Y10T29/448 - File-blank stripper
  • Y10T409/306552 - Randomly manipulated

• US Classifications

  • 029 - Metal working
  • 076 - Metal tools and implements, making
  • 409 - Gear cutting, milling, or planing