2231477

Information

• Patent Grant
• 2231477

• References
• Source

• Patent Number

  2,231,477

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1941
  84 years ago

• CPC

  • B05B11/3087 - Combination of liquid and air pumps
  • A47K5/14 - Foam or lather making devices
  • B05B11/3001 - Piston pumps
  • B05B11/3098 - Air being permanently entrapped or sucked into the liquid pump chamber

• US Classifications

  • 222 - Dispensing