US Patent 7333398 Device for the indication of elapsed time

Patent 7333398 was granted and assigned to Cube root on February, 2008 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Cube root

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

73333980

Patent Inventor Names

James S. Thompson0

Robert Sloan0

Date of Patent

February 19, 2008

Patent Application Number

113403860

Date Filed

January 26, 2006

Patent Primary Examiner

‌

P. Austin Bradley

Patent abstract

A device for indicating elapsed time by way of the state of indicators is disclosed, such indicators being arranged in at least four groups such that the first two groups taken together indicate elapsed hours and the second two groups taken together indicate elapsed minutes. The indicators are switchable between a first and second state, such as illuminated or not illuminated. The number of indicators in a first state, such as illuminated, indicate the value of a digit.