Door closer
Latest Sugatsune Kogyo Co., Ltd. Patents:
Description
The broken lines are for illustrative purpose only and form no part of the claimed design.
Claims
The ornamental design for a door closer, as shown and described.
Referenced Cited
U.S. Patent Documents
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3905063 | September 1975 | Coulter et al. |
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Patent History
Patent number: D639136
Type: Grant
Filed: Nov 9, 2010
Date of Patent: Jun 7, 2011
Assignee: Sugatsune Kogyo Co., Ltd. (Tokyo)
Inventors: Koushi Yamaguchi (Tokyo), Kazuaki Kashiwaguma (Tokyo), Mitsuru Sugiura (Tokyo)
Primary Examiner: Prabhakar Deshmukh
Attorney: Bacon & Thomas, PLLC
Application Number: 29/371,169
Type: Grant
Filed: Nov 9, 2010
Date of Patent: Jun 7, 2011
Assignee: Sugatsune Kogyo Co., Ltd. (Tokyo)
Inventors: Koushi Yamaguchi (Tokyo), Kazuaki Kashiwaguma (Tokyo), Mitsuru Sugiura (Tokyo)
Primary Examiner: Prabhakar Deshmukh
Attorney: Bacon & Thomas, PLLC
Application Number: 29/371,169
Classifications
Current U.S. Class:
D8/330