3843474

Information

• Patent Grant
• 3843474

• References
• Source

• Patent Number

  3,843,474

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1974
  50 years ago

• CPC

  • B62M3/12 - with reflectors
  • Y10T428/24488 - Differential nonuniformity at margin
  • Y10T428/2457 - Parallel ribs and/or grooves

• US Classifications

  • 359 - Optical: systems and elements
  • 428 - Stock material or miscellaneous articles