1740775

Information

• Patent Grant
• 1740775

• References
• Source

• Patent Number

  1,740,775

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1929
  95 years ago

• CPC

  • B22C11/10 - with one or more flasks forming part of the machine, from which only the sand moulds made by compacting are removed
  • B22C15/14 - involving pneumatic or hydraulic mechanisms

• US Classifications

  • 164 - Metal founding