Patent
   D328256
Priority
Dec 08 1989
Filed
Jun 01 1990
Issued
Jul 28 1992
Expiry
Jul 28 2006
Assg.orig
Entity
unknown
3
8
n/a
The ornamental design for a protractor, as shown.

FIG. 1 is a top and front perspective view of a protractor showing my new design;

FIG. 2 is a bottom and rear perspective view;

FIG. 3 is a top and front perspective view, shown in a condition of use;

FIG. 4 is a top and front perspective view, shown in an alternate condition of use; and,

FIG. 5 is a top plan view thereof, shown with the slidable members fully extended.

Harvey, Edward H.

Patent Priority Assignee Title
D335823, Jun 18 1991 Alterra Holdings Corporation Protractor
D594116, Nov 06 2007 Absorbent pad for buttocks
D705502, Aug 29 2007 IMAGINE THAT INTERNATIONAL, INC Pet protective collar
Patent Priority Assignee Title
1082377,
4233741, Apr 17 1978 Hausler Scientific Instruments (Proprietary) Limited Map reading device
4491724, Jun 01 1982 Course and heading computer
4731933, Jul 25 1986 Protractor-chalkline
923313,
D284089, Dec 19 1983 Template
FR2600413,
GB573828,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 01 1990Polydron (UK) Limited(assignment on the face of the patent)
Jun 01 1990HARVEY, EDWARD H POLYDRON UK LIMITEDASSIGNMENT OF ASSIGNORS INTEREST 0053890016 pdf
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