2869947

Information

• Patent Grant
• 2869947

• References
• Source

• Patent Number

  2,869,947

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1959
  65 years ago

• CPC

  • B30B11/027 - Particular press methods or systems
  • B22F5/02 - of piston rings
  • Y10S264/66 - Processes of reshaping and reforming
  • Y10S425/123 - Repress
  • Y10T428/12021 - having composition or density gradient or differential porosity
  • Y10T428/12243 - Disk

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus