3749006

Information

• Patent Grant
• 3749006

• References
• Source

• Patent Number

  3,749,006

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1973
  51 years ago

• CPC

  • G03B17/24 - with means for separately producing marks on the film
  • B26D7/086 - by vibrating
  • B26F1/0007 - Perforation of photographic films
  • B29C59/04 - using rollers or endless belts
  • B44B5/0066 - producing a vibratory motion
  • G03B21/32 - Details specially adapted for motion-picture projection
  • B29C2791/008 - Using vibrations during moulding

• US Classifications

  • 101 - Printing
  • 347 - Incremental printing of symbolic information