1909763

Information

• Patent Grant
• 1909763

• References
• Source

• Patent Number

  1,909,763

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1933
  91 years ago

• CPC

  • E04B1/648 - obtained by injection or infiltration of water-proofing agents into an existing wall

• US Classifications

  • 427 - Coating processes