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Classification bulletin of U.S. Patent Office from July 1, 1912 to Dec. 31, 1912, containing classification of subjects of invention revised by Classification Division of U.S. Patent Office.

Bibliographic Details
Corporate Author: United States. Department of the Interior
Format: Government Document eBook
Language:English
Published: [Washington] : GPO, 1912.
Subjects:
Classification.
Patents.
Electronic books.
Online Access:Connect to the full text of this electronic document
Description
Item Description:Semiannual bulletin presenting revisions to patent categories and definitions. Some bulletins also include revisions to classification title index.
Electronic resource.
Physical Description:1 online resource (23 pages)