42910

Information

• Patent Grant
• 42910

• References
• Source

• Patent Number

  42,910

• Date Filed

  Not available

• Date Issued

  Tuesday, May 24, 1864
  160 years ago

• CPC

  • C04B28/02 - containing hydraulic cements other than calcium sulfates
  • Y10S215/902 - Vent
  • Y10T442/3927 - Including a paper or wood pulp layer
  • Y10T442/3943 - Plural paper or wood pulp layers

• US Classifications

  • 442 - Fabric