Roof drain
United States Patent D781401

Yan, Jin-jung (Taichung, TW)
Application Number:
Publication Date:
Filing Date:
Yan Jin-Jung
Primary Class:
International Classes:
(IPC1-7): 2301
Field of Search:
D23/259, D23/261, D23/266, D23/268-269
View Patent Images:
US Patent References:
20160230393ROOF DRAIN COVERAugust, 2016Huber
8834714Movable filter grid for a drain inletSeptember, 2014Chien210/163
D702327Filter module for street inlet and parts thereofApril, 2014DannrupD23/261
20110030284High-visibility roof-drain coverFebruary, 2011May52/12
D612914Urinal screenMarch, 2010MoradD23/261
D606174Debris cageDecember, 2009MartinD23/261
D578619Siphonic roof drainOctober, 2008RattenburyD23/261
D576257Siphonic roof drainSeptember, 2008RattenburyD23/260
6416674Silt-guard apparatus for use in a detention pondJuly, 2002Singleton210/163
D460810Roof drainJuly, 2002SommerheinD23/261
3357561Roof drainDecember, 1967Schmid210/137
2837212Surface drainJune, 1958Schmid210/165
2377373N/AJune, 1945Robertson210/463
1791512Roof sumpFebruary, 1931Schurman210/163

Primary Examiner:
Goodman, Eric
Assistant Examiner:
Wierenga, Amy
Attorney, Agent or Firm:
Guice Patents PLLC

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


FIG. 1 is a perspective view of a roof drain showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view showing a roof drain from another position.