3021041

Information

• Patent Grant
• 3021041

• References
• Source

• Patent Number

  3,021,041

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1962
  62 years ago

• CPC

  • G03B1/44 - Guides engaging edge of film

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 226 - Advancing material of indeterminate length