3025780

Information

• Patent Grant
• 3025780

• References
• Source

• Patent Number

  3,025,780

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1962
  62 years ago

• CPC

  • B08B15/023 - Fume cabinets or cupboards
  • Y10T16/63 - Cord and counterweight

• US Classifications

  • 454 - Ventilation
  • 016 - Miscellaneous hardware
  • 049 - Movable or removable closures