Block

Details Block Block

2000-03-30

2001-02-06

Zarfas, Louis S. (Department: 2914)

Building units and construction elements

Architectural stock material

Construction block or brick type

Design Patent

active

D0437423

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

REFERENCES:
patent: D. 186374 (1959-10-01), Bedack et al.
patent: D. 307792 (1990-05-01), Poulsen
patent: D. 414276 (1999-09-01), Bruno et al.
patent: 2172714 (1939-09-01), Schack et al.
patent: 3267823 (1966-08-01), MacRae
patent: 3412519 (1968-11-01), Brettingen
patent: 5520395 (1996-05-01), Mondello, Jr.
patent: 5924477 (1999-07-01), Doru
patent: 663354 (1938-07-01), None

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