1481807

Information

• Patent Grant
• 1481807

• References
• Source

• Patent Number

  1,481,807

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1924
  101 years ago

• CPC

  • F16L1/038 - the pipes being made in situ
  • B28B7/342 - which are at least partially destroyed
  • B28B21/86 - Cores
  • Y10S264/44 - using destructible molds or cores in molding processes
  • Y10T29/49833 - Punching, piercing or reaming part by surface of second part

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 029 - Metal working
  • 138 - Pipes and tubular conduits
  • 249 - Static molds