Sight glass
Latest ESSEN TECH CO., LTD. Patents:
Description
The broken lines and all unshaded areas depict portions of the sight glass that form no part of the claim.
The dot dash dot broken lines depict the boundaries of the claim and form no part thereof.
Claims
The ornamental design for a sight glass, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D1006088
Type: Grant
Filed: Sep 23, 2021
Date of Patent: Nov 28, 2023
Assignee: ESSEN TECH CO., LTD. (Gunsan-si)
Inventors: Sung Bum Kim (Siheung-si), Ha Yeong Seong (Siheung-si), Jung Hoon Choi (Incheon)
Primary Examiner: Karen S Acker
Assistant Examiner: Andrea Marie McKay
Application Number: 29/808,921
Type: Grant
Filed: Sep 23, 2021
Date of Patent: Nov 28, 2023
Assignee: ESSEN TECH CO., LTD. (Gunsan-si)
Inventors: Sung Bum Kim (Siheung-si), Ha Yeong Seong (Siheung-si), Jung Hoon Choi (Incheon)
Primary Examiner: Karen S Acker
Assistant Examiner: Andrea Marie McKay
Application Number: 29/808,921
Classifications
Current U.S. Class:
Fitting (10) (D23/259)