3448669

Information

• Patent Grant
• 3448669

• References
• Source

• Patent Number

  3,448,669

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1969
  55 years ago

• CPC

  • G03B17/425 - motor drive cameras
  • G03B1/40 - embodying frictional coupling or clutches

• US Classifications

  • 396 - Photography
  • 242 - Winding, tensioning, or guiding