2345682

Information

• Patent Grant
• 2345682

• References
• Source

• Patent Number

  2,345,682

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1944
  80 years ago

• CPC

  • G03D13/147 - for several widths of film or several films

• US Classifications

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