2662198

Information

• Patent Grant
• 2662198

• References
• Source

• Patent Number

  2,662,198

• Date Filed

  Not available

• Date Issued

  Tuesday, December 8, 1953
  71 years ago

• CPC

  • H04N5/185 - for the black level
  • C25D7/02 - Slide fasteners
  • C25D11/005 - Apparatus specially adapted for electrolytic conversion coating
  • C25D11/024 - Anodisation under pulsed or modulated current or potential
  • C25D11/04 - of aluminium or alloys based thereon
  • H03K4/32 - combined with means for generating the driving pulses

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 307 - Electrical transmission or interconnection systems
  • 348 - Television