Z-shaped building block

• US D326,530 S
• Filed: 09/21/1989
• Issued: 05/26/1992
• Est. Priority Date: 03/22/1989
• Status: Expired due to Term

• Current Assignee: John F. Lewis
• Original Assignee: John F. Lewis
• Inventors: Lewis, John F.
• Primary Examiner(s): Word, A. Hugo
• Assistant Examiner(s): Clark, Doris
• Application Number:
  US07/410,535
• Time in Patent Office: 978 Days
• Field of Search: D25/112-118, D25/131, D25/138, D25/151, D25/152, D25/156, D21/108, 52/574, 52/575, 52/590, 52/595, 52/596, 52/601, 52/605, 52/608, 52/609, 52/611, 52/314, 52/592, 404/17, 404/19, 404/20, 404/28-29, 404/34, 404/36, 404/39-41
• US Class Current: D25/113
• CPC Class Codes: N/A

Claims

1. The ornamental design for a z-shaped building block, as shown and described.