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Patent
D850576
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Priority
Jun 26 2018
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Filed
Jun 26 2018
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Issued
Jun 04 2019
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Expiry
Jun 04 2034
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Assg.orig
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Entity
unknown
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8
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12
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n/a
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The ornamental design for a cold trap, as shown and described.
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FIG. 1 shows a top and side perspective view of a cold trap.
FIG. 2 shows a bottom and reverse side perspective view thereof.
FIG. 3 shows a side view, the reverse side being a mirror image thereof.
FIG. 4 shows a front view thereof.
FIG. 5 shows a rear view thereof.
FIG. 6 shows a top plan view thereof.
FIG. 7 shows a bottom plan view thereof; and,
FIG. 8 shows a cutaway view of the side along section line 8-8 of FIG. 6.
Kremerman, Elliot
| Patent |
Priority |
Assignee |
Title |
| 1418691, |
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| 3020215, |
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| 3334025, |
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| 4089749, |
Mar 29 1976 |
RAF-TAN, INC |
Apparatus for producing high-purity water |
| 4230536, |
Apr 21 1975 |
|
Method for the distillation purification of organic heat transfer fluids |
| 9138657, |
Jul 28 2011 |
Elemental Scientific, Inc |
Fractional-volatilization separator |
| D432203, |
Nov 19 1999 |
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Solar still |
| D634397, |
Apr 13 2010 |
Access Business Group International LLC |
Water treatment device |
| D776238, |
Apr 11 2016 |
|
Straight path distillation head |
| D805600, |
Aug 23 2017 |
|
Distribution adapter |
| D819779, |
Feb 02 2018 |
|
Distillation chamber |
| D828904, |
Aug 24 2017 |
LAB SOCIETY LLC |
High efficiency distillation head |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a