U.S. Patent Classification System

Wed, 2009-11-18 15:39 — Anonymous (not verified)

The U.S. Patent and Trademark Office's classification scheme for categorizing patent applications and patents.

General information

Vocabulary alternative name or acronym:

USPC System

Vocabulary type:

clsssys

Was vocabulary created as a course project:

Scope and Usage

Purpose:

Provides guidance for patent searches in the U.S. Patent and Trademark Office (USPTO) databases.

Used By:

Patent researchers and patent examiners

Vocabulary characteristics

Type of display :

hier

alph

Type of terms:

Technology areas

Relationship types:

hier_bn

nier_part

Number of classes:

Over 400

Number of terms:

over 165,000

Number of preferred terms:

over 165,000

Provider

Vocabulary provider name:

United States Patent and Trademark Office (USPTO)

Provider URL:

Main menu