3808146

Information

• Patent Grant
• 3808146

• References
• Source

• Patent Number

  3,808,146

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1974
  50 years ago

• CPC

  • C03C3/253 - containing germanium
  • C03C3/062 - with less than 40% silica by weight
  • C03C3/125 - containing aluminium as glass former
  • C03C3/15 - containing rare earths
  • C03C4/0071 - for laserable glass
  • E06B3/6205 - having on at least one lateral side no backing from a separate rigid glazing bead or other stiff part of the window frame
  • H01S3/17 - amorphous
  • E06B2003/6223 - with protruding parts anchored in grooves
  • E06B2003/6258 - U-shaped

• US Classifications

  • 252 - Compositions
  • 501 - Compositions: ceramic