1897949

Information

• Patent Grant
• 1897949

• References
• Source

• Patent Number

  1,897,949

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1933
  91 years ago

• CPC

  • B29D30/0654 - Flexible cores therefor
  • B29D2030/0658 - Venting devices for the flexible cores

• US Classifications

  • 285 - Pipe joints or couplings