The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 23, 2004
Filed:
Feb. 03, 2003
Applicant:
Inventor:
Ilan Zadik Samson, London NW3 7DE, GB;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B06C 2/300 ;
U.S. Cl.
CPC ...
B06C 2/300 ;
Abstract
An electronic calculator having means for enabling a user to input a calculation, characterized in that the calculator has a mode of operation in which the user is required to input additionally at least one estimate of the result of the calculation before the correct result of the calculation is displayed.