3645821

Information

• Patent Grant
• 3645821

• References
• Source

• Patent Number

  3,645,821

• Date Filed

  Not available

• Date Issued

  Tuesday, February 29, 1972
  53 years ago

• CPC

  • B29C67/00 - Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
  • B29C37/0082 - Mechanical anchoring
  • B29C67/0044 - for shaping edges or extremities
  • B32B27/00 - Layered products comprising a layer of synthetic resin
  • B29L2031/7406 - Sponges; Cleaning equipment
  • Y10T156/1002 - with permanent bending or reshaping or surface deformation of self sustaining lamina
  • Y10T156/109 - Embedding of laminae within face of additional laminae

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 015 - Brushing, scrubbing, and general cleaning