USD287283SExpiredUtility

Portable half-step stairway unit

82
Assignee: JOHNSON PAULPriority: Sep 21, 1983Filed: Sep 21, 1983Granted: Dec 16, 1986
Est. expirySep 21, 2003(expired)· nominal 20-yr term from priority
Inventors:Paul R. Johnson
E04F 11/0201
82
PatentIndex Score
45
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable half-step stairway unit, substantially as shown and described.

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