Ambient filter
Description
Claims
The ornamental design for an ambient filter, as shown.
Referenced Cited
U.S. Patent Documents
| 1396771 | November 1921 | Minton |
| 1406425 | February 1922 | Stair |
| 2447470 | August 1948 | Valentine |
| 2567875 | September 1951 | Carrington |
| 2619960 | December 1952 | Reynolds |
| 2812826 | November 1957 | Hawley |
| 3007012 | October 1961 | Olson |
| 3118022 | January 1964 | Sessler |
| 3124663 | March 1964 | Beaudry |
| 3408461 | October 1968 | Langford |
| 3418437 | December 1968 | Hoffmann |
| 3646281 | February 1972 | McGunigle |
| 3702123 | November 1972 | Macken et al. |
| D230280 | February 1974 | Nygard |
| 3944756 | March 16, 1976 | Lininger |
| 3946422 | March 23, 1976 | Yagi |
| 4117275 | September 26, 1978 | Miyanaga |
| 4150262 | April 17, 1979 | Ono |
| D267644 | January 18, 1983 | Warner |
| 4456707 | June 26, 1984 | Hille |
| 4463222 | July 31, 1984 | Poradowski |
| D280022 | August 6, 1985 | Egan |
| 4553627 | November 19, 1985 | Gastmeier |
| 4781196 | November 1, 1988 | Killion |
| 4852177 | July 25, 1989 | Ambrose |
| D303970 | October 10, 1989 | Collins |
| 5097515 | March 17, 1992 | Baba |
| D348067 | June 21, 1994 | Lucey |
| 5373555 | December 13, 1994 | Norris |
| 5410608 | April 25, 1995 | Lucey |
| D387354 | December 9, 1997 | Ueng |
| 5740261 | April 14, 1998 | Loeppert |
| D415831 | October 26, 1999 | Hall |
| D438195 | February 27, 2001 | Chao |
| D440222 | April 10, 2001 | Goto |
| D444123 | June 26, 2001 | Hofstede |
| D464129 | October 8, 2002 | Xu |
| D468301 | January 7, 2003 | Fushimi |
| 6597792 | July 22, 2003 | Sapiejewski |
| 6830124 | December 14, 2004 | Chiang |
| 6937735 | August 30, 2005 | de Roo |
| D541412 | April 24, 2007 | Benner |
| D573588 | July 22, 2008 | Warren |
| D577109 | September 16, 2008 | Smith |
| D630191 | January 4, 2011 | Chang |
| D642163 | July 26, 2011 | Lee |
| 8270648 | September 18, 2012 | Murozaki |
| 8385560 | February 26, 2013 | Solbeck |
| 8565466 | October 22, 2013 | Kuhr |
| D726869 | April 14, 2015 | Lepine |
| D792553 | July 18, 2017 | Hierro |
| D798998 | October 3, 2017 | Zou |
| D852169 | June 25, 2019 | Chen |
Patent History
Patent number: D867346
Type: Grant
Filed: Jun 20, 2018
Date of Patent: Nov 19, 2019
Assignee: DYNAMIC EAR COMPANY B.V. (Delft)
Inventor: Angelique M. C. Hofstede (Delft)
Primary Examiner: Paula Allen Greene
Application Number: 29/653,958
Type: Grant
Filed: Jun 20, 2018
Date of Patent: Nov 19, 2019
Assignee: DYNAMIC EAR COMPANY B.V. (Delft)
Inventor: Angelique M. C. Hofstede (Delft)
Primary Examiner: Paula Allen Greene
Application Number: 29/653,958
Classifications