Calculator

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a calculator showing my new design.

FIG. 2 is a front view thereof, shown at a reduced scale;

FIG. 3 is a rear view thereof

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines depict environmental subject matter only and form no part of the claimed design.

Claims

I claim the ornamental design for a calculator, as shown and described.

Referenced Cited
U.S. Patent Documents
D202234 September 1965 McLarty
D244012 April 12, 1977 Cake et al.
D310093 August 21, 1990 Sakaguchi et al.
D461839 August 20, 2002 Hsu
D490100 May 18, 2004 Su et al.
D500782 January 11, 2005 Bhavnani
D501869 February 15, 2005 Hsu
D543174 May 22, 2007 Kim
Patent History
Patent number: D566751
Type: Grant
Filed: Mar 14, 2007
Date of Patent: Apr 15, 2008
Assignee: Test Rite International Company, Ltd. (Taipei)
Inventor: Yang-Chun Wang (Taipei)
Primary Examiner: Robert M. Spear
Assistant Examiner: Garth Rademaker
Attorney: Venable LLP
Application Number: 29/277,945
Classifications
Current U.S. Class: With Keyboard (D18/7)