3638815

Information

• Patent Grant
• 3638815

• References
• Source

• Patent Number

  3,638,815

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1972
  52 years ago

• CPC

  • A47F7/175 - of carpets, wallpapers or fabrics

• US Classifications

  • 414 - Material or article handling
  • 254 - Implements or apparatus for applying pushing or pulling force