3644212

Information

• Patent Grant
• 3644212

• References
• Source

• Patent Number

  3,644,212

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  53 years ago

• CPC

  • C09K11/745 - Germanates
  • C09K11/74 - containing arsenic, antimony or bismuth
  • C09K11/7442 - Aluminates; Silicates
  • Y10T24/1338 - Separate pencil holder and pocket engaging clip

• US Classifications

  • 252 - Compositions
  • 024 - Buckles, buttons, clasps, etc.