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Patent
D819810
Priority
Jul 25 2016
Filed
Jan 25 2017
Issued
Jun 05 2018
Expiry
Jun 05 2033
Assg.orig
Entity
unknown
14
20
n/a
The ornamental design for a retractor, as shown and described.
FIG. 1 is a front perspective view of a retractor showing our new design.
FIG. 2 is a front elevational view thereof.
FIG. 3 is a rear elevational view thereof.
FIG. 4 is a right side elevational view thereof.
FIG. 5 is a left side elevational view thereof.
FIG. 6 is a top plan view thereof.
FIG. 7 is a bottom plan view thereof.
FIG. 8 is a cross-sectional view thereof, taken along line 8 -8 of FIG. 2 ; and,
FIG. 9 is a perspective view thereof, showing the retractor in use after being inserted into a chest or an abdomen from a small incision, the retractor being deformed in a ring shape in a body, so as to keep the opened part in the opened state.
The broken lines illustrate environmental structure and form no part of the claimed design.
Yamasaki, Haruhiko , Morishita, Yoshiro , Shibata, Toshihiko , Mitsuhashi, Katsunori
Patent
Priority
Assignee
Title
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Executed on Assignor Assignee Conveyance Frame Reel Doc
Jan 25 2017 OSAKA CITY UNIVERSITY (assignment on the face of the patent) /
Jan 25 2017 OZK CO., LTD. (assignment on the face of the patent) /
Jan 25 2017 SHINWA SYOJI CO., LTD. (assignment on the face of the patent) /
Feb 01 2017 MITSUHASHI, KATSUNORI SHINWA SYOJI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 041687 /0226
pdf
Feb 01 2017 YAMASAKI, HARUHIKO SHINWA SYOJI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 041687 /0226
pdf
Feb 01 2017 SHIBATA, TOSHIHIKO SHINWA SYOJI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 041687 /0226
pdf
Feb 01 2017 MORISHITA, YOSHIRO OZK CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 041687 /0226
pdf
Feb 01 2017 MITSUHASHI, KATSUNORI OZK CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 041687 /0226
pdf
Feb 01 2017 YAMASAKI, HARUHIKO OZK CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 041687 /0226
pdf
Feb 01 2017 SHIBATA, TOSHIHIKO OZK CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 041687 /0226
pdf
Feb 01 2017 MORISHITA, YOSHIRO OSAKA CITY UNIVERSITY ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 041687 /0226
pdf
Feb 01 2017 MITSUHASHI, KATSUNORI OSAKA CITY UNIVERSITY ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 041687 /0226
pdf
Feb 01 2017 YAMASAKI, HARUHIKO OSAKA CITY UNIVERSITY ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 041687 /0226
pdf
Feb 01 2017 SHIBATA, TOSHIHIKO OSAKA CITY UNIVERSITY ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 041687 /0226
pdf
Feb 01 2017 MORISHITA, YOSHIRO SHINWA SYOJI CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 041687 /0226
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