2150771

Information

• Patent Grant
• 2150771

• References
• Source

• Patent Number

  2,150,771

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1939
  86 years ago

• CPC

  • G01L7/102 - construction or mounting of capsules
  • G01L7/12 - with exhausted chamber Aneroid barometers

• US Classifications

  • 073 - Measuring and testing
  • 092 - Expansible chamber devices