Lamp filament
Description
The broken lines in the figures illustrate portions of the article which form no part of the claimed design.
Claims
The ornamental design for a lamp filament, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D1052787
Type: Grant
Filed: Dec 22, 2020
Date of Patent: Nov 26, 2024
Inventor: Tiehan Ge (Hangzhou)
Primary Examiner: Alison M Ofstun
Assistant Examiner: Eric N. Welle
Application Number: 29/763,502
Type: Grant
Filed: Dec 22, 2020
Date of Patent: Nov 26, 2024
Inventor: Tiehan Ge (Hangzhou)
Primary Examiner: Alison M Ofstun
Assistant Examiner: Eric N. Welle
Application Number: 29/763,502
Classifications