1997907

Information

• Patent Grant
• 1997907

• References
• Source

• Patent Number

  1,997,907

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1935
  89 years ago

• CPC

  • B22D35/045 - Runner base plates for bottom casting ingots

• US Classifications

  • 249 - Static molds
  • 164 - Metal founding