3659312

Information

• Patent Grant
• 3659312

• References
• Source

• Patent Number

  3,659,312

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1972
  52 years ago

• CPC

  • A47L9/0646 - with pneumatic actuation
  • A47L9/06 - with fixed

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning