Safety door stop
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Description
Claims
The ornamental design for a safety door stop, as shown and described.
Referenced Cited
U.S. Patent Documents
786831 | April 1905 | McMahon |
D59900 | December 1921 | Marsh |
2172610 | September 1939 | Frank |
D302939 | August 22, 1989 | Ruskin |
5149575 | September 22, 1992 | Soifer |
D347570 | June 7, 1994 | Burge |
5331725 | July 26, 1994 | Chou |
D379298 | May 20, 1997 | Bowen et al. |
D379299 | May 20, 1997 | Fitzgibbons |
D420845 | February 22, 2000 | Rumage |
20070028417 | February 8, 2007 | Emmitt |
Patent History
Patent number: D625594
Type: Grant
Filed: Jan 19, 2010
Date of Patent: Oct 19, 2010
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Hae-Dong Park (Gyeonggi-do), In-Hwan Lee (Gyeonggi-do)
Primary Examiner: Cathron C Brooks
Assistant Examiner: Barbara Fox
Attorney: David B. Patchett
Application Number: 29/354,091
Type: Grant
Filed: Jan 19, 2010
Date of Patent: Oct 19, 2010
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Hae-Dong Park (Gyeonggi-do), In-Hwan Lee (Gyeonggi-do)
Primary Examiner: Cathron C Brooks
Assistant Examiner: Barbara Fox
Attorney: David B. Patchett
Application Number: 29/354,091
Classifications
Current U.S. Class:
D8/402