3656384

Information

• Patent Grant
• 3656384

• References
• Source

• Patent Number

  3,656,384

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  52 years ago

• CPC

  • B26F1/0007 - Perforation of photographic films
  • Y10T83/4508 - With supplemental work feed means
  • Y10T83/4635 - Comprises element entering aperture in, or engaging abutment surface on, work

• US Classifications

  • 083 - Cutting