3521785

Information

• Patent Grant
• 3521785

• References
• Source

• Patent Number

  3,521,785

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1970
  54 years ago

• CPC

  • B01L3/5082 - Test tubes per se
  • B01L9/06 - Test-tube stands Test-tube holders
  • G01N35/021 - having a flexible chain
  • Y10S24/37 - Third member consists of unitary elongated element
  • Y10T24/4511 - Link with pivoted gate

• US Classifications

  • 220 - Receptacles
  • 024 - Buckles, buttons, clasps, etc.
  • 059 - Chain, staple, and horseshoe making
  • 211 - Supports: racks
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing