The broken lines shown in the views are included for the purpose of illustrating portions of the combination tube and headset of a stethoscope that form no part of the claimed design.
The broken lines shown in the views are included for the purpose of illustrating portions of the combination tube and headset of a stethoscope that form no part of the claimed design.
Number | Name | Date | Kind |
---|---|---|---|
3346069 | Speelman | Oct 1967 | A |
4254302 | Walshe | Mar 1981 | A |
5252787 | Moore et al. | Oct 1993 | A |
D362063 | Savage et al. | Sep 1995 | S |
5774563 | DesLauriers et al. | Jun 1998 | A |
6026170 | Dieken et al. | Feb 2000 | A |
6165035 | Avner | Dec 2000 | A |
6210344 | Perin et al. | Apr 2001 | B1 |
D485357 | Kapinos, Sr. | Jan 2004 | S |
6848537 | Deslauriers et al. | Feb 2005 | B2 |
6932186 | Costa et al. | Aug 2005 | B2 |
D589144 | Bagha et al. | Mar 2009 | S |
7735598 | Nakamura | Jun 2010 | B2 |
D639427 | Boyd et al. | Jun 2011 | S |
20100155173 | Boyd et al. | Jun 2010 | A1 |
Number | Date | Country |
---|---|---|
202235434 | May 2012 | CN |
Entry |
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MDF Instruments Stethoscope Collection Brochure, dated May 10, 2011. |
MDF Instruments Product Brochure, dated earlier than Apr. 2012 (exact date unknown). |
MDF Instruments ProCardial Stethoscope Brochure, dated Apr. 4, 2012. |
MDF Instruments Cardio-X Stethoscope Brochure, dated Mar. 15, 2012. |