3820850

Information

• Patent Grant
• 3820850

• References
• Source

• Patent Number

  3,820,850

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • A46B3/12 - specially adapted for paint-brushes
  • Y10S15/04 - Ferrules

• US Classifications

  • 300 - Brush, broom, and mop making
  • 015 - Brushing, scrubbing, and general cleaning