1774437

Information

• Patent Grant
• 1774437

• References
• Source

• Patent Number

  1,774,437

• Date Filed

  Not available

• Date Issued

  Tuesday, August 26, 1930
  94 years ago

• CPC

  • G01L7/061 - construction or mounting of bellows

• US Classifications

  • 092 - Expansible chamber devices