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.

Date of Patent:
Oct. 13, 1981

Filed:

Jun. 06, 1979
Applicant:
Inventors:

John D Cain, Kitchener, CA;

Gary C Lovie, Waterloo, CA;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364900 ;
Abstract

A document sorting process utilizes existing or natural incoming sequences of documents each of which includes a sort key code thereon and which are sequentially arranged in accordance with a trace, locate and retrieve number (TLR). The documents are machine-sorted by the sort key code in numerical sequence and the corresponding trace, locate and retrieve number is checked for ascending or descending order. Whenever the trace, locate and retrieve number is seen in ascending order, the created sort number remains the same, whereas on a descending record the sort number is incremented by one digit. A reduction in the number of sort numbers reduces the passes required for physically sorting the documents.


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