3073225

Information

• Patent Grant
• 3073225

• References
• Source

• Patent Number

  3,073,225

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1963
  62 years ago

• CPC

  • G03B7/06 - by a follow-up movement of an associated reference mark to the pointer

• US Classifications

  • 396 - Photography