2271829

Information

• Patent Grant
• 2271829

• References
• Source

• Patent Number

  2,271,829

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1942
  83 years ago

• CPC

  • H01M2/145 - Manufacturing processes
  • B01D39/202 - sintered or bonded by inorganic agents
  • C04B32/005 - Artificial stone obtained by melting at least part of the composition
  • H01M2/1613 - Inorganic fibrous material
  • H01M2/1686 - Separators having two or more layers of either fibrous or non-fibrous materials
  • C04B2111/00612 - as one or more layers of a layered structure
  • C04B2111/30 - Nailable or sawable materials
  • Y10S264/63 - Processes of molding porous blocks
  • Y10S264/75 - Processes of uniting two or more fibers
  • Y10T29/49604 - Filter
  • Y10T29/49801 - Shaping fiber or fibered material
  • Y10T428/249969 - Of silicon-containing material [e.g., glass, etc.]
  • Y10T428/249974 - Metal- or silicon-containing element
  • Y10T428/252 - Glass or ceramic [i.e., fired or glazed clay, cement, etc.] [porcelain, quartz, etc.]
  • Y10T442/122 - Two or more nonwoven fabric layers
  • Y10T442/129 - Including a ceramic or glass layer

• US Classifications

  • 442 - Fabric
  • 029 - Metal working
  • 065 - Glass manufacturing
  • 126 - Stoves and furnaces
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 261 - Gas and liquid contact apparatus
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 428 - Stock material or miscellaneous articles
  • 501 - Compositions: ceramic