3815457

Information

• Patent Grant
• 3815457

• References
• Source

• Patent Number

  3,815,457

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1974
  50 years ago

• CPC

  • B41B21/32 - Film carriers Film-conveying or positioning devices
  • G03D13/003 - Film feed or extraction in development apparatus
  • Y10T83/2024 - Responsive to work
  • Y10T83/6644 - With work-supplying reel

• US Classifications

  • 083 - Cutting
  • 396 - Photography