2694349

Information

• Patent Grant
• 2694349

• References
• Source

• Patent Number

  2,694,349

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1954
  70 years ago

• CPC

  • B28B21/40 - by evacuating one or more of the mould parts; Vacuum machines
  • B28B21/54 - Mouthpieces for shaping sockets, bends, or like peculiarly-shaped tubular articles

• US Classifications

  • 162 - Paper making and fiber liberation
  • 264 - Plastic and nonmetallic article shaping or treating: processes