3704071

Information

• Patent Grant
• 3704071

• References
• Source

• Patent Number

  3,704,071

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1972
  52 years ago

• CPC

  • C09D13/00 - Pencil-leads Crayon compositions Chalk compositions
  • B29C44/322 - the preformed parts being elongated inserts
  • B29C67/2235 - comprising extruding the compounds before foaming
  • B43K19/16 - Making non-propelling pencils
  • C08J9/0061 - characterized by the use of several polymeric components
  • C09D151/00 - Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds Coating compositions based on derivatives of such polymers
  • B29K2105/043 - Skinned foam
  • B29L2031/7254 - Pencils

• US Classifications

  • 401 - Coating implements with material supply
  • 264 - Plastic and nonmetallic article shaping or treating: processes