Vacuum toilet bowl
Description
Any shading and cross-hatching are not features of the design but are utilized to illustrate the surface contours of the sound amplifier in the drawings.
The broken lines are for the purpose of illustrating only and forms no part of the claimed design.
Claims
The ornamental design for a vacuum toilet bowl, as shown and described.
Referenced Cited
Patent History
Patent number: D933176
Type: Grant
Filed: Sep 17, 2019
Date of Patent: Oct 12, 2021
Assignee: Shanghai VacDrain Vacuum Drainage Equipment Co., Ltd. (Shanghai)
Inventor: Yong Cao (Shanghai)
Primary Examiner: Robert A Delehanty
Application Number: 29/705,911
Type: Grant
Filed: Sep 17, 2019
Date of Patent: Oct 12, 2021
Assignee: Shanghai VacDrain Vacuum Drainage Equipment Co., Ltd. (Shanghai)
Inventor: Yong Cao (Shanghai)
Primary Examiner: Robert A Delehanty
Application Number: 29/705,911
Classifications
Current U.S. Class:
Wall Mounted (D23/300)