Patent
   D284510
Priority
Oct 11 1983
Filed
Oct 11 1983
Issued
Jul 01 1986
Expiry
Jul 01 2000
Assg.orig
Entity
unknown
2
4
n/a
The ornamental design for a surgical retractor, as shown and described.

FIG. 1 is a front elevational view of a surgical retractor showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a front elevational view thereof, in alternate position with the barbs extended.

Carignan, Roger G., Martinez, David M., Pratt, Clyde R., Schiffman, Michael L.

Patent Priority Assignee Title
D322851, Dec 20 1988 Technology Holding Company II Adapter for surgical retractors
D977098, Jul 15 2021 INNOVATIVE MEDICAL PRODUCTS, INC. Surgical support bar
Patent Priority Assignee Title
3496930,
4049000, Aug 01 1975 SOLOMON, JACK D Suction retraction instrument
4137920, Jan 20 1976 Richarg Wolf GmbH Endoscopes
4517965, Jun 27 1983 Tissue retractor
/////////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 12 1983PRATT, CLYDE R TECHMEDICA, INC , A CA CORP ASSIGNMENT OF ASSIGNORS INTEREST 0041830705 pdf
Sep 12 1983CARIGNAN, ROGER G TECHMEDICA, INC , A CA CORP ASSIGNMENT OF ASSIGNORS INTEREST 0041830705 pdf
Sep 12 1983MARTINEZ, DAVID M TECHMEDICA, INC , A CA CORP ASSIGNMENT OF ASSIGNORS INTEREST 0041830705 pdf
Sep 12 1983SCHIFFMAN, MICHAEL L TECHMEDICA, INC , A CA CORP ASSIGNMENT OF ASSIGNORS INTEREST 0041830705 pdf
Oct 11 1983Techmedica, Inc.(assignment on the face of the patent)
Jan 01 1991TECHMEDICA, INC A CORP OF CALIFORNIASULZER BROS INC SECURITY INTEREST SEE DOCUMENT FOR DETAILS 0057000847 pdf
Sep 01 1994TECHMEDICA, INC SULZERMEDICA USA, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0074080450 pdf
Mar 13 1995SULZER, INC TECHMEDICA, INC RELEASE OF PATENT COLLATERAL0073810177 pdf
May 22 2002SULZER MEDICA USA INC CENTERPULSE USA INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0135420917 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule