3892514

Information

• Patent Grant
• 3892514

• References
• Source

• Patent Number

  3,892,514

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1975
  49 years ago

• CPC

  • B26F1/0053 - by machining
  • B29C49/0021 - using moulds or mould parts movable in a closed path
  • B29L2023/003 - having irregular or rough surfaces
  • Y10S425/037 - Perforate

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus