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Definitions of revised classes and subclasses of subjects of invention in U.S. Patent Office, arranged in numerical order; supplement to Manual of classification, revised to Jan. 1, 1912.

Bibliographic Details
Corporate Author: United States. Patent Office
Format: Government Document eBook
Language:English
Published: Washington : U.S. GPO, 1912.
Subjects:
United States. > Patent Office.
Classification.
Patents.
Electronic books.
Online Access:Connect to the full text of this electronic document
Description
Item Description:Record is based on bibliographic data in ProQuest U.S. Executive Branch Documents, 1910-1932. Reuse except for individual research requires license from ProQuest, LLC.
Electronic resource.
Physical Description:1 online resource (495 pages)
Format:System requirements: PDF reader software.