Concealed floor drain
The broken line showing is included for the purpose of illustrating environment and forms no part of the claimed design.
Claims
The ornamental design for a concealed floor drain, as shown and described.
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Type: Grant
Filed: Jan 17, 2010
Date of Patent: Mar 6, 2012
Inventor: Orestes R. Rodriguez (Miami, FL)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Eric Goodman
Application Number: 29/353,964