3805990

Information

• Patent Grant
• 3805990

• References
• Source

• Patent Number

  3,805,990

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1974
  50 years ago

• CPC

  • B65D47/248 - the valve being opened or closed by imparting a motion to the valve stem
  • B65D47/44 - combined with slits opening when container is deformed or when pad is pressed against surface to which contents are to be applied
  • Y10S220/19 - Rubber plugs and caps

• US Classifications

  • 220 - Receptacles
  • 222 - Dispensing
  • 251 - Valves and valve actuation
  • 401 - Coating implements with material supply