Protractor
Description
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.
Referenced Cited
Patent History
Patent number: D328256
Type: Grant
Filed: Jun 1, 1990
Date of Patent: Jul 28, 1992
Assignee: Polydron (UK) Limited
Inventor: Edward H. Harvey (Oxfordshire)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Antoine D. Davis
Law Firm: Jones, Askew & Lunsford
Application Number: 7/532,082
Type: Grant
Filed: Jun 1, 1990
Date of Patent: Jul 28, 1992
Assignee: Polydron (UK) Limited
Inventor: Edward H. Harvey (Oxfordshire)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Antoine D. Davis
Law Firm: Jones, Askew & Lunsford
Application Number: 7/532,082
Classifications
Current U.S. Class:
Template Or Comparator Gauge (6) (D10/64)