Backflow preventer
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Description
The broken lines shown in the drawings represent portions of the backflow preventer that form no part of the claimed design.
Claims
The ornamental design for a backflow preventer, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
3936078 | February 3, 1976 | Wallyn |
D260280 | August 18, 1981 | Campbell |
D301722 | June 20, 1989 | Sachs |
D600211 | September 15, 2009 | Strickland, Jr. |
D600212 | September 15, 2009 | Strickland, Jr. |
9777850 | October 3, 2017 | Handley |
D871544 | December 31, 2019 | Sisk |
D872232 | January 7, 2020 | Sisk |
D872233 | January 7, 2020 | Sisk |
D872843 | January 14, 2020 | Stoffa, Sr. |
20190242777 | August 8, 2019 | Young |
20190293330 | September 26, 2019 | Danielson |
- VistaCheck Dual Check Backflow Preventers; Vista Water Group; Website Copyright Date 2021; Visited Online Dec. 14, 2021; https://vistawatergroup.com/vistacheck-dual-check-backflow-preventers (Year: 2021).
- BFV-SE Saliva Ejector Backflow Valve; Henry Schein Dental Website Copyright Date 2021; Visited Online Dec. 14, 2021; https://www.henryschein.com/us-en/dental/p/evacuation-products/evacuation-accessories/backflow-valve-f-saliva/7050049 (Year: 2021).
Patent History
Patent number: D952107
Type: Grant
Filed: Dec 15, 2020
Date of Patent: May 17, 2022
Assignee: VISTA WATER GROUP, LLC (Ashland, OH)
Inventor: James W. Chandler (Ashland, OH)
Primary Examiner: Amy C Wierenga
Application Number: 29/762,181
Type: Grant
Filed: Dec 15, 2020
Date of Patent: May 17, 2022
Assignee: VISTA WATER GROUP, LLC (Ashland, OH)
Inventor: James W. Chandler (Ashland, OH)
Primary Examiner: Amy C Wierenga
Application Number: 29/762,181