3142054

Information

• Patent Grant
• 3142054

• References
• Source

• Patent Number

  3,142,054

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1964
  60 years ago

• CPC

  • H04M3/64 - Arrangements for signalling the number or class of the calling line to the operator
  • G08B5/24 - with indicator element moving about a pivot
  • G09F11/06 - the elements being stiff plates or cards
  • C10M2207/024 - having at least two phenol groups but no condensed ring
  • C10M2209/00 - Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
  • C10M2209/02 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • C10M2209/10 - Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • C10M2209/101 - Condensation polymers of aldehydes or ketones and phenols
  • C10N2240/201 - Dielectrics or insulators
  • C10N2240/202 - for electric contacts

• US Classifications

  • 340 - Communications: electrical
  • 040 - Card, picture, or sign exhibiting
  • 310 - Electrical generator or motor structure