Emergency relief drain
Description
FIG. 1 is perspective view of my new design;
FIG. 2 is a side elevation view thereof;
FIG. 3 is a top plan view thereof; and,
FIG. 4 is a bottom plan view thereof.
Claims
The ornamental design for an emergency relief drain, as shown and described.
Referenced Cited
Patent History
Patent number: D452899
Type: Grant
Filed: Feb 21, 2001
Date of Patent: Jan 8, 2002
Inventor: Steven R. Salisbury (Pacifica, CA)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firm: Burns Doane Swecker & Mathis LLP
Application Number: 29/137,551
Type: Grant
Filed: Feb 21, 2001
Date of Patent: Jan 8, 2002
Inventor: Steven R. Salisbury (Pacifica, CA)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firm: Burns Doane Swecker & Mathis LLP
Application Number: 29/137,551
Classifications