1248886

Information

• Patent Grant
• 1248886

• References
• Source

• Patent Number

  1,248,886

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1917
  107 years ago

• CPC

  • B22C19/06 - Devices for rapping or loosening the pattern
  • Y10S29/055 - with cutter drive

• US Classifications

  • 164 - Metal founding
  • 029 - Metal working
  • 091 - Motors: expansible chamber type