1493

Information

• Patent Grant
• 1493

• References
• Source

• Patent Number

  1,493

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1840
  185 years ago

• CPC

  • B26D7/015 - for sheet material or piles of sheets
  • Y10S505/725 - Process of making or treating high tc, above 30 k, superconducting shaped material, article, or device
  • Y10S505/726 - Measuring or testing of superconducting property
  • Y10T83/7653 - Having curved cutting edge to make arcuate cut, plural nonaligned intersecting cutting edges, or spaced punches

• US Classifications

  • 083 - Cutting
  • 144 - Woodworking