1387066

Information

• Patent Grant
• 1387066

• References
• Source

• Patent Number

  1,387,066

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1921
  103 years ago

• CPC

  • B28B21/86 - Cores
  • B28B7/342 - which are at least partially destroyed

• US Classifications

  • 249 - Static molds
  • 138 - Pipes and tubular conduits