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Patent
D790053
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Priority
Aug 27 2015
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Filed
Aug 27 2015
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Issued
Jun 20 2017
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Expiry
Jun 20 2032
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Assg.orig
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Entity
unknown
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12
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53
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n/a
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The ornamental design for a chromatograph exhaust vent back pressure diffuser, as shown and described.
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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.
Thompson, Kenneth O., Rolston, Claude A., Querrey, Timothy L.
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a