2290606

Information

• Patent Grant
• 2290606

• References
• Source

• Patent Number

  2,290,606

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1942
  82 years ago

• CPC

  • D01H7/08 - Mounting arrangements

• US Classifications

  • 356 - Optics: measuring and testing
  • 033 - Geometrical instruments
  • 073 - Measuring and testing
  • 250 - Radiant energy