Step block

Details Step block Step block

2005-03-01

2005-03-01

Delehanty, Robert A (Department: 2914)

Building units and construction elements

Architectural stock material

Construction block or brick type

Design Patent

active

D0502553

CLAIM:
The ornamental design for a step block, substantially as shown and described.

REFERENCES:
patent: D452332 (2001-12-01), Blomquist et al.
patent: D458387 (2002-06-01), Blomquist et al.
patent: 20010019684 (2001-09-01), Manthei et al.

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