399250

Information

• Patent Grant
• 399250

• References
• Source

• Patent Number

  399,250

• Date Filed

  Not available

• Date Issued

  Tuesday, March 12, 1889
  136 years ago

• CPC

  • B23Q1/5437 - and in which the degree of freedom, which belongs to the working surface, is perpendicular to this surface
  • Y10S83/904 - Book index cutting

• US Classifications

  • 269 - Work holders
  • 083 - Cutting