Roof drain

Details Roof drain Roof drain

2001-05-21

2002-07-23

Taylor, Robin V. (Department: 2911)

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Fitting

Design Patent

active

D0460810

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

REFERENCES:
patent: 3357561 (1967-12-01), Schmid et al.
patent: D222354 (1971-10-01), Foltz
patent: 5234582 (1993-08-01), Savoie
patent: 5618416 (1997-04-01), Haefner
patent: 5724684 (1998-03-01), Paar
patent: 6165357 (2000-12-01), Cormier

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