3645613

Information

• Patent Grant
• 3645613

• References
• Source

• Patent Number

  3,645,613

• Date Filed

  Not available

• Date Issued

  Tuesday, February 29, 1972
  52 years ago

• CPC

  • G03F1/90 - prepared by montage processes
  • B41B23/00 - Auxiliary devices for modifying, mixing or correcting text or lay-out in connection with photographic or photoelectronic composing
  • G03B21/001 - Slide projectors

• US Classifications

  • 353 - Optics: image projectors