2044178

Information

• Patent Grant
• 2044178

• References
• Source

• Patent Number

  2,044,178

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1936
  88 years ago

• CPC

  • B28B21/965 - for grooving or corrugating

• US Classifications

  • 138 - Pipes and tubular conduits
  • 425 - Plastic article or earthenware shaping or treating: apparatus