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Patent
D278931
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Priority
Feb 26 1982
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Filed
Aug 25 1982
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Issued
May 21 1985
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Expiry
May 21 1999
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Assg.orig
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Entity
unknown
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7
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3
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n/a
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The ornamental design for a petri tray, as shown.
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FIG. 1 is a top perspective view of a petri tray showing our new design;
and
FIG. 2 is a bottom perspective view thereof.
Larsson, Lars P., Brorsson, Bror J.-E.
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| D738491, |
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| D752770, |
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| D783855, |
Jun 22 2015 |
|
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| D841185, |
Jul 11 2017 |
ECONCRETE TECH LTD |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a