3805275

Information

• Patent Grant
• 3805275

• References
• Source

• Patent Number

  3,805,275

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1974
  50 years ago

• CPC

  • C01F7/028 - Beta-aluminas
  • G11C13/042 - using information stored in the form of an interference pattern

• US Classifications

  • 347 - Incremental printing of symbolic information
  • 359 - Optical: systems and elements