Drain unclogger
Description
The drain unclogger is shown broken away in the center to indicate indeterminate length.
Claims
The ornamental design for a drain unclogger, as shown and described.
Referenced Cited
U.S. Patent Documents
| D138138 | June 1944 | Burg |
| 3538533 | November 1970 | Woods |
| 4741150 | May 3, 1988 | Saksun |
| D304106 | October 17, 1989 | Dobson et al. |
| D306924 | March 27, 1990 | Shapton |
| D321574 | November 12, 1991 | Shevers et al. |
| D364715 | November 28, 1995 | Amram et al. |
| D364741 | December 5, 1995 | Reuter, III |
| D392103 | March 17, 1998 | Zaccheria |
| D397592 | September 1, 1998 | Widmer |
| D414343 | September 28, 1999 | Isaacson |
| D453075 | January 29, 2002 | Liu |
| D485075 | January 13, 2004 | Hutchinson |
| D564230 | March 18, 2008 | Schouten |
| D597315 | August 4, 2009 | Hoffelner |
| 7587780 | September 15, 2009 | Pfister |
Patent History
Patent number: D610761
Type: Grant
Filed: Jun 19, 2009
Date of Patent: Feb 23, 2010
Inventors: Charles Gengler (Wilmington, DE), Robert Petner (Burlington, NJ)
Primary Examiner: Cathron C Brooks
Assistant Examiner: Austin Murphy
Attorney: Kalow & Springut, LLP
Application Number: 29/338,873
Type: Grant
Filed: Jun 19, 2009
Date of Patent: Feb 23, 2010
Inventors: Charles Gengler (Wilmington, DE), Robert Petner (Burlington, NJ)
Primary Examiner: Cathron C Brooks
Assistant Examiner: Austin Murphy
Attorney: Kalow & Springut, LLP
Application Number: 29/338,873
Classifications
Current U.S. Class:
Laundering, Cleaning, Or Drying Tools Or Implements (D32/35)