Drawing instrument

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Description

FIG. 1 is a front elevational view of a drawing instrument showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view; and

FIG. 5 is a right side elevational view thereof, the left side elevational view being a mirror image.

Referenced Cited
U.S. Patent Documents
D165849 February 1952 Jordan
D204017 March 1966 Goldman
D251113 February 20, 1979 Oseka
D282671 February 18, 1986 Papsdorf
2499518 March 1950 Markham
3138874 June 1964 Cooper
Other references
  • Visual System, Artec Spec-Ulator Copy Fitting Wheel, 1986, p. 199.
Patent History
Patent number: D317131
Type: Grant
Filed: Jul 7, 1988
Date of Patent: May 28, 1991
Assignee: Newpros Consumers & Appliance Limited (Kowloon)
Inventor: Tak-Wah Kwan (Kowloon)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Law Firm: Armstrong, Nikaido, Marmelstein Kubovcik & Murray
Application Number: 7/220,841
Classifications
Current U.S. Class: Template Or Comparator Gauge (6) (D10/64)