Patent
   D271236
Priority
Oct 01 1980
Filed
Oct 01 1980
Issued
Nov 01 1983
Expiry
Nov 01 1997
Assg.orig
Entity
unknown
0
5
n/a
The ornamental design for a semi-automatic bailer plug, as shown and described.

FIG. 1 is a top front perspective view of a semi-automatic bailer plug, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right end elevational view thereof;

FIG. 4 is a left end elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof.

Patriarca, William C., McGraw, Leonard J.

Patent Priority Assignee Title
Patent Priority Assignee Title
2909144,
2965126,
3188994,
3550548,
4198918, Feb 01 1979 Pat-N-Mac, Inc. Semi-automatic bailer plug
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 17 1980PATRIARCA WILLIAM C PAT-N-MACASSIGNMENT OF ASSIGNORS INTEREST 0038100899 pdf
Jun 17 1980MC GRAW LEONARD J PAT-N-MACASSIGNMENT OF ASSIGNORS INTEREST 0038100899 pdf
Oct 01 1980PAT-N-MAC(assignment on the face of the patent)
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