3837739

Information

• Patent Grant
• 3837739

• References
• Source

• Patent Number

  3,837,739

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1974
  50 years ago

• CPC

  • G03F7/34 - Imagewise removal by selective transfer
  • B41M3/00 - Printing processes to produce particular kinds of printed work
  • B41M3/003 - on optical devices
  • G02B5/128 - transparent spheres being embedded in matrix
  • G02B21/0016 - Technical microscopes
  • G03B21/06 - affording only episcopic projection
  • G03B21/08 - affording epidiascopic projection
  • G03B21/132 - Overhead projectors
  • G03B27/04 - Copying apparatus without a relative movement between the original and the light source during exposure

• US Classifications

  • 353 - Optics: image projectors
  • 101 - Printing
  • 216 - Etching a substrate: processes
  • 264 - Plastic and nonmetallic article shaping or treating: processes