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:
May. 08, 2012

Filed:

May. 27, 2004
Applicants:

Erik John Burckart, Raleigh, NC (US);

Madhu K. Chetuparambil, Raleigh, NC (US);

Rohit Dilip Kelapure, Durham, NC (US);

Jeffrey A. Lee, Morrisville, NC (US);

Aravind Srinivasan, Raleigh, NC (US);

Kevin Edward Vaughan, Fuquay Varina, NC (US);

Inventors:

Erik John Burckart, Raleigh, NC (US);

Madhu K. Chetuparambil, Raleigh, NC (US);

Rohit Dilip Kelapure, Durham, NC (US);

Jeffrey A. Lee, Morrisville, NC (US);

Aravind Srinivasan, Raleigh, NC (US);

Kevin Edward Vaughan, Fuquay Varina, NC (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

A system and method for searching a bytestream or other string in a case insensitive manner. In a preferred embodiment, the present invention includes an ASCII tree that associated both upper and lower case letters of an incoming header key (or other symbols) with nodes. When enough nodes are gathered, a target word is found.


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