Mortarless concrete block construction3/30/2024 Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Individual filed Critical Individual Application granted granted Critical Publication of US3783566A publication Critical patent/US3783566A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links ![]() Original Assignee Individual Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ![]() Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US00279492A Inventor R Nielson Current Assignee (The listed assignees may be inaccurate. Google Patents Wall construction blocks and mortarless method of constructionÄownload PDF Info Publication number US3783566A US3783566A US00279492A US3783566DA US3783566A US 3783566 A US3783566 A US 3783566A US 00279492 A US00279492 A US 00279492A US 3783566D A US3783566D A US 3783566DA US 3783566 A US3783566 A US 3783566A Authority US United States Prior art keywords blocks block wall course opening Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US3783566A - Wall construction blocks and mortarless method of construction ![]() US3783566A - Wall construction blocks and mortarless method of construction
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |