Calculator ruler or similar article
United States Patent D279381

Leung, Chee-chun (Taipei, TW)
Application Number:
Publication Date:
Filing Date:
Cal-Comp Electronice, Inc. (Taipei, TW)
Primary Class:
Other Classes:
D10/2, D10/71, D18/7
Field of Search:
D18/2, D18/7, D18/8, D18/11, D18/12, D10/2, D10/46.1, D10/71, 364/706-710, 200/5A, 200/159B
View Patent Images:
US Patent References:
D271025Combined ruler and electronic calculatorOctober, 1983LiD18/2
D248995Electronic calculating machineAugust, 1978Hazama et al.D18/7
D245109Desk top calculator with scaleJuly, 1977YoshiokaD18/7

Primary Examiner:
Zarfas, Louis S.
Attorney, Agent or Firm:
Cushman, Darby And Cushman
1. The ornamental design for a calculator ruler or similar article, as shown.


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

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.