US 12,433,361 B2
Hair weft and preparation process thereof
Junna Zou, Rongcheng (CN); Xiangpeng Lian, Rongcheng (CN); and Jiarong Sun, Rongcheng (CN)
Assigned to Junna Zou, Rongcheng (CN)
Filed by Junna Zou, Rongcheng (CN)
Filed on Feb. 25, 2025, as Appl. No. 19/062,044.
Application 19/062,044 is a continuation of application No. 18/925,063, filed on Oct. 24, 2024, granted, now 12,336,580.
Application 18/925,063 is a continuation in part of application No. 18/815,791, filed on Aug. 26, 2024, granted, now 12,268,260.
Application 18/815,791 is a continuation in part of application No. 18/410,869, filed on Jan. 11, 2024, abandoned.
Prior Publication US 2025/0228318 A1, Jul. 17, 2025
This patent is subject to a terminal disclaimer.
Int. Cl. A41G 5/00 (2006.01)
CPC A41G 5/0046 (2013.01) [A41G 5/0073 (2013.01); A41G 5/008 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A first hair weft unit, comprising:
a first hair strand; and
a first glue base, wherein said first hair strand is fixed to said first glue base, wherein said first hair strand comprises a first hair strand body and a first root portion integrally extended from said first hair strand body, wherein said first root portion is embedded into said first glue base, said first hair strand body is extended from a bottom of said first glue base and is positioned under said first glue base, wherein said first hair weft unit further comprises one or more quilting lines which are sewing threads fixed on said first root portion of said first hair strand.