Collapsible triangular warning frame
Description
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
Claims
The ornamental design for a collapsible triangular warning frame, as shown and described.
Referenced Cited
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Patent History
Patent number: D793890
Type: Grant
Filed: Mar 9, 2016
Date of Patent: Aug 8, 2017
Assignee: SHANGHAI KAZHENG ENERGY TECHNOLOGY CO., LTD. (Shanghai)
Inventor: Xia Tie Hong (Shanghai)
Primary Examiner: George D Kirschbaum
Assistant Examiner: Joseph Kukella
Application Number: 29/557,467
Type: Grant
Filed: Mar 9, 2016
Date of Patent: Aug 8, 2017
Assignee: SHANGHAI KAZHENG ENERGY TECHNOLOGY CO., LTD. (Shanghai)
Inventor: Xia Tie Hong (Shanghai)
Primary Examiner: George D Kirschbaum
Assistant Examiner: Joseph Kukella
Application Number: 29/557,467
Classifications