1336712

Information

• Patent Grant
• 1336712

• References
• Source

• Patent Number

  1,336,712

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1920
  105 years ago

• CPC

  • B28B21/42 - by shaping on or against mandrels or like moulding surfaces

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 138 - Pipes and tubular conduits
  • 249 - Static molds