1549351

Information

• Patent Grant
• 1549351

• References
• Source

• Patent Number

  1,549,351

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1925
  99 years ago

• CPC

  • B21K7/02 - parts for permanent way
  • E01B7/12 - Fixed frogs made of one part or composite

• US Classifications

  • 228 - Metal fusion bonding
  • 072 - Metal deforming