3717975

Information

• Patent Grant
• 3717975

• References
• Source

• Patent Number

  3,717,975

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1973
  51 years ago

• CPC

  • G03B27/20 - by using a vacuum or fluid pressure
  • B41B23/00 - Auxiliary devices for modifying, mixing or correcting text or lay-out in connection with photographic or photoelectronic composing

• US Classifications

  • 355 - Photocopying