1804291

Information

• Patent Grant
• 1804291

• References
• Source

• Patent Number

  1,804,291

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1931
  93 years ago

• CPC

  • B21K7/12 - parts for locomotives or vehicles

• US Classifications

  • 228 - Metal fusion bonding
  • 072 - Metal deforming
  • 105 - Railway rolling stock