3599929

Information

• Patent Grant
• 3599929

• References
• Source

• Patent Number

  3,599,929

• Date Filed

  Not available

• Date Issued

  Tuesday, August 17, 1971
  53 years ago

• CPC

  • E04G17/06 - Tying means Spacers; Devices for extracting or inserting wall ties
  • B28B7/225 - for making stairs or stair units comprising more than one step
  • E04G13/06 - for stairs, steps, cornices, balconies, or other parts corbelled out of the wall

• US Classifications

  • 249 - Static molds
  • 425 - Plastic article or earthenware shaping or treating: apparatus