Literature

The Classification of Patents

United States. Patent Office

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Literature Engineering & Technology Research Methods/Statistics/Information Sys

Editions

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Table of contents

1. UNITED STATES PATENT OFFICE 2. PREFATORY NOTE.3. CONTENTS.4. (A) INTRODUCTION.5. (B) PRINCIPLES OF THE NEW CLASSIFICATION OF THE PATENT OFFICE.6. (C) RULES OF CLASSIFICATION.7. (D) PROCEDURE IN RECLASSIFYING WITHIN EXAMINING DIVISIONS.

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