1624191

Information

• Patent Grant
• 1624191

• References
• Source

• Patent Number

  1,624,191

• Date Filed

  Not available

• Date Issued

  Tuesday, April 12, 1927
  97 years ago

• CPC

  • B28B21/205 - having a rigid frame inside the inflatable part of the core

• US Classifications

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