3920429

Information

• Patent Grant
• 3920429

• References
• Source

• Patent Number

  3,920,429

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1975
  49 years ago

• CPC

  • D01D1/04 - Melting filament-forming substances
  • C03B37/08 - Bushings
  • C03B37/081 - Indirect-melting bushings
  • C03B37/083 - Nozzles Bushing nozzle plates
  • C03B37/091 - Indirect-resistance heating
  • Y02P40/57 - Reduction of reject rates Improving the yield
  • Y10S65/04 - Electric heat

• US Classifications

  • 065 - Glass manufacturing
  • 373 - Industrial electric heating furnaces