3813519

Information

• Patent Grant
• 3813519

• References
• Source

• Patent Number

  3,813,519

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1974
  50 years ago

• CPC

  • B41F15/08 - Machines
  • B64D15/12 - by electric heating
  • B64D15/14 - controlled cyclically along length of surface
  • C25D21/02 - Heating or cooling
  • C25D21/12 - Process control or regulation
  • G01R31/026 - Testing continuity
  • H01C17/075 - by thin film techniques
  • H01C17/16 - using electric current
  • H01C17/24 - by removing or adding resistive material
  • H05B3/84 - Heating arrangements specially adapted for transparent or reflecting areas
  • B41M1/12 - Stencil printing Silk-screen printing
  • B64D2700/62149 - by electric heating
  • H05B2203/016 - Heaters using particular connecting means
  • H05B2203/017 - Manufacturing methods or apparatus for heaters
  • Y10T29/49099 - Coating resistive material on a base
  • Y10T428/24479 - including variation in thickness
  • Y10T428/24777 - Edge feature
  • Y10T428/26 - Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension

• US Classifications

  • 219 - Electric heating
  • 029 - Metal working
  • 101 - Printing
  • 338 - Electrical resistors
  • 428 - Stock material or miscellaneous articles