Chromatograph exhaust vent back pressure diffuser

- Mustang Sampling, LLC
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Description

FIG. 1 is a top perspective view of the ornamental chromatograph exhaust vent back pressure diffuser design of the invention.

FIG. 2 is a bottom perspective view of the ornamental chromatograph exhaust vent back pressure diffuser design of FIG. 1.

FIG. 3 is a front view of the ornamental chromatograph exhaust vent back pressure diffuser design of FIG. 1.

FIG. 4 is a back view of the ornamental chromatograph exhaust vent back pressure diffuser design of FIG. 1.

FIG. 5 is a first side view of the ornamental chromatograph exhaust vent back pressure diffuser design of FIG. 1.

FIG. 6 is a second side view of the ornamental chromatograph exhaust vent back pressure diffuser of FIG. 1.

FIG. 7 is a top view of the ornamental chromatograph exhaust vent back pressure diffuser design of FIG. 1; and,

FIG. 8 is a bottom view of the ornamental chromatograph exhaust vent back pressure diffuser design of FIG. 1.

Claims

The ornamental design for a chromatograph exhaust vent back pressure diffuser, as shown and described.

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Patent History
Patent number: D790053
Type: Grant
Filed: Aug 27, 2015
Date of Patent: Jun 20, 2017
Assignee: Mustang Sampling, LLC (Ravenswood, WV)
Inventors: Timothy L. Querrey (Murraysville, WV), Claude A. Rolston (St. Marys, WV), Kenneth O. Thompson (Ravenswood, WV)
Primary Examiner: Kevin Rudzinski
Assistant Examiner: Sean D Lough
Application Number: 29/537,590
Classifications
Current U.S. Class: Vent, Ductwork, Or Element Thereof (D23/393)