Airtight zipper
Description
1. Airtight zipper
The parallel thin lines represent contours only and do not illustrate ornamentation or decoration on the surface of the product.
Claims
The ornamental design for an airtight zipper, as shown and described.
Referenced Cited
U.S. Patent Documents
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4841603 | June 27, 1989 | Ragni |
4941238 | July 17, 1990 | Clark |
6961962 | November 8, 2005 | Lewis |
D893348 | August 18, 2020 | Cheng |
20060059675 | March 23, 2006 | Hsieh |
20150157096 | June 11, 2015 | Mikuma |
20180055155 | March 1, 2018 | Chen |
20190142116 | May 16, 2019 | Cheng |
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Patent History
Patent number: D923511
Type: Grant
Filed: Dec 17, 2019
Date of Patent: Jun 29, 2021
Inventor: Young Gyo Kim (Busan)
Primary Examiner: Michelle E. Wilson
Assistant Examiner: Tracey J Bell
Application Number: 35/509,650
Type: Grant
Filed: Dec 17, 2019
Date of Patent: Jun 29, 2021
Inventor: Young Gyo Kim (Busan)
Primary Examiner: Michelle E. Wilson
Assistant Examiner: Tracey J Bell
Application Number: 35/509,650
Classifications
Current U.S. Class:
Zipper Type (D11/221)