Portable half-step stairway unit

• US D287,283 S1
• Filed: 09/21/1983
• Issued: 12/16/1986
• Est. Priority Date: 09/21/1983
• Status: Expired due to Term

• Current Assignee: Paul Johnson
• Original Assignee: Paul Johnson
• Inventors: Johnson, Paul R.
• Primary Examiner(s): Word, A. Hugo
• Application Number:
  US06/534,338
• Time in Patent Office: 1,182 Days
• Field of Search: 182/120, 182/228, 182/106, D 6/449, D 6/450, D 6/349, D34/45, D34/43, D 9/418, D 9/432, D25/68, D25/69, D25/87, 52/184, 52/183, 52/188, 52/189
• US Class Current: D25/69
• CPC Class Codes: N/A

Claims