3613978

Information

• Patent Grant
• 3613978

• References
• Source

• Patent Number

  3,613,978

• Date Filed

  Not available

• Date Issued

  Tuesday, October 19, 1971
  53 years ago

• CPC

  • G03B39/04 - using moving plate or film
  • G03B1/34 - Beaters

• US Classifications

  • 226 - Advancing material of indeterminate length