2227153

Information

• Patent Grant
• 2227153

• References
• Source

• Patent Number

  2,227,153

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1940
  84 years ago

• CPC

  • B28B21/68 - and applying centrifugal forces

• US Classifications

  • 052 - Static structures
  • 138 - Pipes and tubular conduits