3420017

Information

• Patent Grant
• 3420017

• References
• Source

• Patent Number

  3,420,017

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1969
  56 years ago

• CPC

  • E04F19/086 - Covers with magnetic fixing means
  • E04B5/48 - Special adaptations of floors for incorporating ducts
  • F16L1/024 - Laying or reclaiming pipes on land
  • H02G3/283 - in floors
  • Y10T292/11 - Magnetic

• US Classifications

  • 052 - Static structures
  • 138 - Pipes and tubular conduits
  • 174 - Electricity: conductors and insulators
  • 292 - Closure fasteners