Construction block

Details Construction block Construction block

2002-03-22

2002-10-08

Zarfas, Louis S. (Department: 2914)

Building units and construction elements

Architectural stock material

Construction block or brick type

Design Patent

active

D0464150

CLAIM:
The ornamental design for the construction block, as shown and described.

REFERENCES:
patent: 72557 (1867-12-01), Stewart
patent: 1534060 (1925-04-01), Dexter
patent: D189295 (1960-11-01), Dean
patent: D201966 (1965-08-01), Frese
patent: 3472031 (1969-10-01), Kelso
patent: D359811 (1995-06-01), Nerison
patent: D367715 (1996-03-01), Joubert

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