1996632

Information

• Patent Grant
• 1996632

• References
• Source

• Patent Number

  1,996,632

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1935
  90 years ago

• CPC

  • A47L5/04 - with pistons, bellows, or diaphragms

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning