2996757

Information

• Patent Grant
• 2996757

• References
• Source

• Patent Number

  2,996,757

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1961
  63 years ago

• CPC

  • B28B7/346 - Manufacture of moulds
  • B21D26/08 - generated by explosives
  • B30B1/001 - by explosive charges
  • B44C3/042 - producing a copy from an original structure
  • Y10S264/30 - Use of anatomy in making a mold or using said mold
  • Y10S264/78 - Processes of molding using vacuum

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 264 - Plastic and nonmetallic article shaping or treating: processes