Patent
   D364683
Priority
Mar 05 1993
Filed
Sep 02 1993
Issued
Nov 28 1995
Expiry
Nov 28 2009
Assg.orig
Entity
unknown
0
10
n/a
The ornamental design of a surgical knife depth gauge, as shown and described.

FIG. 1 is a perspective view of a surgical knife depth gauge showing my new design;

FIG. 2 is an enlarged top plan view thereof;

FIG. 3 is an enlarged front elevational view thereof;

FIG. 4 is an enlarged bottom plan view thereof;

FIG. 5 is an enlarged right side elevational view thereof;

FIG. 6 is an enlarged left side elevational view thereof;

FIG. 7 is a cross-sectional view thereof, taken along the line 7--7 of FIG. 3;

FIG. 8 is a rear elevation view illustrating the doubling plate overlapped with the blade;

FIG. 9 is a plan view illustrating the doubling plate overlapped with the blade; and,

FIG. 10 is a front view illustrating the doubling plate overlapped with the blade.

Otsuka, Norio

Patent Priority Assignee Title
Patent Priority Assignee Title
3889368,
3945117, Feb 15 1973 Rudolph Beaver, Inc. Surgical blade with adjustable blade guard
4473076, Apr 07 1982 ALCON MANUFACTURING, LTD Surgical knife
4499898, Aug 23 1982 KOI Associates Surgical knife with controllably extendable blade and gauge therefor
4520815, Oct 23 1980 Hand supported surgical instrument
4552146, May 18 1982 Myocur, Inc. Disposable ophthalmic instrument for performing radial keratotomy on the cornea
4602630, May 16 1985 Radial keratotomy knife
4642090, Mar 04 1985 Disposable combination scalpel blade and incision irrigator for ophthalmological use
4759363, Sep 17 1985 BECTON, DICKINSON AND COMPANY, A CORP OF NEW JERSEY Scalpel with removable depth guard
5071427, Feb 05 1990 Surgical knife assembly including depth guard
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 26 1993OTSUKA, NORIOFEATHER SAFETY RAZOR CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0066880494 pdf
Sep 02 1993Feather Safety Razor Co., Ltd.(assignment on the face of the patent)
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