3291017

Information

• Patent Grant
• 3291017

• References
• Source

• Patent Number

  3,291,017

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1966
  58 years ago

• CPC

  • G03B17/08 - Waterproof bodies or housings
  • G03B7/09977 - with a movable light-measuring element

• US Classifications

  • 396 - Photography