3521544

Information

• Patent Grant
• 3521544

• References
• Source

• Patent Number

  3,521,544

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1970
  54 years ago

• CPC

  • G03D3/135 - fed between chains or belts, or with a leading strip
  • G03D3/14 - with means for taking into account of elongation or contraction of films

• US Classifications

  • 134 - Cleaning and liquid contact with solids
  • 226 - Advancing material of indeterminate length