Patent
   D257567
Priority
May 03 1978
Filed
May 03 1978
Issued
Nov 25 1980
Expiry
Nov 25 1994
Assg.orig
Entity
unknown
14
2
n/a
The ornamental design for a plunger operated pipette, as shown.

FIG. 1 is a perspective view of a plunger operated pipette showing my new design;

FIG. 2 is a side elevational view thereof; _

FIG. 3 is a left end elevational view thereof; and

FIG. 4 is a right end elevational view thereof.

Peacock, Billy H.

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Patent Priority Assignee Title
2172575,
2533726,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 03 1978Disposable Plastics Corporation(assignment on the face of the patent)
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