2244170

Information

• Patent Grant
• 2244170

• References
• Source

• Patent Number

  2,244,170

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1941
  83 years ago

• CPC

  • G03D3/137 - provided with transport speed regulation
  • G03D3/14 - with means for taking into account of elongation or contraction of films

• US Classifications

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