Air circulation vent cover

Details Air circulation vent cover Air circulation vent cover

2005-11-01

2005-11-01

Reid, Stella (Department: 2912)

Machines not elsewhere specified

Refrigeration machinery and apparatus

Element or attachment

Design Patent

active

D0511178

CLAIM:
The ornamental design for an air circulation vent cover, as shown and described.

REFERENCES:
patent: 509231 (1893-11-01), MacDonald
patent: 515562 (1894-02-01), Voss
patent: 1552880 (1925-09-01), Russell
patent: 1737610 (1929-12-01), Norton
patent: 2643024 (1953-06-01), Cronheim
patent: 2946204 (1960-07-01), Justice
patent: D411409 (1999-06-01), Wallays et al.
patent: D467463 (2002-12-01), Wright

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