1620406

Information

• Patent Grant
• 1620406

• References
• Source

• Patent Number

  1,620,406

• Date Filed

  Not available

• Date Issued

  Tuesday, March 8, 1927
  97 years ago

• CPC

  • B22C15/14 - involving pneumatic or hydraulic mechanisms
  • B22C11/12 - Moulding machines able to travel

• US Classifications

  • 164 - Metal founding