Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting
Design Patent
2001-02-21
2002-01-08
Taylor, Robin V. (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Fitting
Design Patent
active
D0452899
CLAIM:
The ornamental design for an emergency relief drain, as shown and described.
REFERENCES:
patent: 4492491 (1985-01-01), Lunden et al.
patent: 4910811 (1990-03-01), Izzi
patent: D370716 (1996-06-01), Menzies
patent: D421101 (2000-02-01), Barnett
patent: D421102 (2000-02-01), Barnett
patent: 6200484 (2001-03-01), McInnis
patent: 6263518 (2001-07-01), Magtanoung
Burns Doane , Swecker, Mathis LLP
Taylor Robin V.
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