Patent
   D423666
Priority
Feb 26 1998
Filed
Feb 26 1998
Issued
Apr 25 2000
Expiry
Apr 25 2014
Assg.orig
Entity
unknown
3
4
n/a
The ornamental design for a cryosurgical instrument, as shown and described .

FIG. 1 is a perspective view of the cryosurgical instrument, with a rotatable valve operating lever in a first position.

FIG. 2 is a perspective view of the cryosurgical instrument of FIG. 1 with the valve operating lever in a second position.

FIG. 3 is a perspective view of the cryosurgical instrument of FIG. 1 with the valve operating lever in a third position; and,

The bottom surface of the cryosurgical instrument not shown in the drawing or described in the specification forms no part of the claimed design.

The undisclosed surfaces of the article not shown in the drawing are the same as the corresponding surfaces which are shown.

Griswold, Thomas A.

Patent Priority Assignee Title
D571472, Jul 11 2006 CRYOPEN, INC Cryosurgical apparatus
D720462, Feb 01 2013 Mozarc Medical US LLC Sorbent cartridge for dialysis cabinet
D820972, Dec 20 2016 PRONOVA LABORATORIES B V Wart freezing device
Patent Priority Assignee Title
3651813,
4116199, Dec 06 1976 Brymill Corporation Cryosurgical instrument reservoir
5098428, Mar 14 1991 Premier Dental Products Company Cryosurgical spraying apparatus
5488831, Oct 06 1994 Brymill Corporation Liquid cryogen withdrawal device
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 26 1998Brymill Corporation(assignment on the face of the patent)
Feb 26 1998GRISWOLD, THOMAS A Brymill CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0090280973 pdf
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