Dual chamber backpack sprayer
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Description
The broken lines depict portions of the dual chamber backpack sprayer that form no part of the claim.
Claims
The ornamental design of a dual chamber backpack sprayer, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D973840
Type: Grant
Filed: Mar 14, 2019
Date of Patent: Dec 27, 2022
Assignee: Chapin Manufacturing, Inc. (Batavia, NY)
Inventors: Morgan Allis (Buffalo, NY), David Dubiel (N. Chili, NY)
Primary Examiner: Calvin E Vansant
Application Number: 29/683,552
Type: Grant
Filed: Mar 14, 2019
Date of Patent: Dec 27, 2022
Assignee: Chapin Manufacturing, Inc. (Batavia, NY)
Inventors: Morgan Allis (Buffalo, NY), David Dubiel (N. Chili, NY)
Primary Examiner: Calvin E Vansant
Application Number: 29/683,552
Classifications
Current U.S. Class:
With Material Container (6) (D23/225)