1437490

Information

• Patent Grant
• 1437490

• References
• Source

• Patent Number

  1,437,490

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1922
  102 years ago

• CPC

  • F02F3/06 - the inserts having bimetallic effect

• US Classifications

  • 092 - Expansible chamber devices