3588231

Information

• Patent Grant
• 3588231

• References
• Source

• Patent Number

  3,588,231

• Date Filed

  Not available

• Date Issued

  Monday, June 28, 1971
  53 years ago

• CPC

  • B60R1/089 - using a liquid filtering layer of variable thickness
  • Y10T74/20432 - for moving a mirror

• US Classifications

  • 359 - Optical: systems and elements
  • 074 - Machine element or mechanism