2429692

Information

• Patent Grant
• 2429692

• References
• Source

• Patent Number

  2,429,692

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1947
  77 years ago

• CPC

  • B29D11/00471 - made by rotational casting
  • B29C53/04 - of plates or sheets
  • B29C53/046 - using centrifugal force
  • C03B23/023 - by bending
  • C03B23/0235 - involving applying local or additional heating, cooling or insulating means
  • B29L2011/0041 - Contact lenses
  • B29L2031/76 - Office equipment or accessories

• US Classifications

  • 065 - Glass manufacturing
  • 264 - Plastic and nonmetallic article shaping or treating: processes