2275080

Information

• Patent Grant
• 2275080

• References
• Source

• Patent Number

  2,275,080

• Date Filed

  Not available

• Date Issued

  Tuesday, March 3, 1942
  83 years ago

• CPC

  • B28B21/80 - adapted to centrifugal or rotational moulding
  • E21B17/00 - Drilling rods or pipes Flexible drill strings Kellies Drill collars Sucker rods; Cables Casings Tubings
  • E21B43/086 - Screens with preformed openings

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 166 - Wells
  • 249 - Static molds