3518331

Information

• Patent Grant
• 3518331

• References
• Source

• Patent Number

  3,518,331

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1970
  54 years ago

• CPC

  • H02G3/121 - in plain walls
  • E04F19/08 - Built-in cupboards Masks of niches Covers of holes enabling access to installations
  • E04G15/061 - Non-reusable forms
  • E04G15/066 - with fluid means to modify the section

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes