The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 14, 2021
Filed:
Dec. 07, 2020
Xiamen Leedarson Lighting Co., Ltd, Fujian, CN;
XIAMEN LEEDARSON LIGHTING CO., LTD, Xiamen, CN;
Abstract
A light bulb apparatus includes a central column, a central bar, a top bracket, a bottom bracket, multiple elongated filaments and a bulb shell. The central column is made of glass material. The central column has a top part, a tubular part and a trumpet part. The top part and the trumpet part are located at two opposite ends of the tubular part. The central bar is extended from the central column upwardly. The top bracket has a limiting structure to limit a movement of the top bracket relative to the central bar. The bottom bracket is fixed to the central column. The multiple elongated filaments have bottom ends fixed to the bottom bracket and with top ends fixed to the top bracket. The bulb shell has a bottom edge fixed to the trumpet part forming a container space enclosing the bottom bracket and the multiple elongated filaments.