1455420

Information

• Patent Grant
• 1455420

• References
• Source

• Patent Number

  1,455,420

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1923
  102 years ago

• CPC

  • B21J7/36 - for drop hammers
  • Y10T428/17 - Three or more coplanar interfitted sections with securing means
  • Y10T428/24769 - Cellulosic

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 072 - Metal deforming