The broken lines showing the anesthetic exit port in the hemispherical tip of the device are included for the purpose of illustrating structure that form no part of the claimed design.
The broken lines showing the anesthetic exit port in the hemispherical tip of the device are included for the purpose of illustrating structure that form no part of the claimed design.
| Number | Name | Date | Kind |
|---|---|---|---|
| 2474188 | Pohl | Jun 1949 | A |
| D263873 | Genese | Apr 1982 | S |
| 5369807 | Cho et al. | Dec 1994 | A |
| D372308 | Stuart | Jul 1996 | S |
| D375358 | Clark | Nov 1996 | S |
| 5830220 | Wan et al. | Nov 1998 | A |
| 6820740 | Spector | Nov 2004 | B1 |
| D503799 | Beck | Apr 2005 | S |
| D574490 | Patzer | Aug 2008 | S |
| D625809 | Cuschieri et al. | Oct 2010 | S |
| 20020026936 | Kirn | Mar 2002 | A1 |
| 20120316594 | Palese | Dec 2012 | A1 |
| 20140107593 | Gao et al. | Apr 2014 | A1 |