Telephone call cost determining device

Description

FIG. 1 is a perspective view of a telephone call cost determining device showing my design;

FIGS. 2 and 3 are respectively front and rear elevational _views thereof on an enlarged scale;

FIG. 4 is a left side elevational view thereof on an enlarged scale;

FIG. 5 is a top plan view thereof on an enlarged scale;

FIG. 6 is a right side elevational view thereof on an enlarged scale; and

FIG. 7 is a bottom plan view thereof on an enlarged scale.

The indicia is shown in broken lines in the display for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
3002684 October 1961 Luscher
Other references
  • Datamation, 10-1975, p. 129-Desktop Computer.
Patent History
Patent number: D254141
Type: Grant
Filed: Mar 20, 1978
Date of Patent: Feb 5, 1980
Assignee: Utility Verification Corp.
Inventor: Robert J. De Masi (Massapequa, NY)
Primary Examiner: Susan J. Lucas
Attorney: Arthur L. Lessler
Application Number: 5/888,034
Classifications
Current U.S. Class: With Keyboard (D18/7)
International Classification: D1801;