Classification orders index.

Bibliographic Details
Corporate Authors:	United States. Patent and Trademark Office, United States. Patent and Trademark Office. Office of Electronic Information Products and Services
Format:	Government Document Journal
Language:	English
Published:	[Washington, D.C.] : U.S. Dept. of Commerce, Patent and Trademark Office, Office of Electronic Information Products and Services.
Subjects:	Patents > United States > Classification > Indexes. Trademarks > United States > Classification > Indexes.

Description
Item Description:	Each new index supersedes the old one. Description based on: Mar. 21, 1997.
Physical Description:	volumes ; 28 cm.
Publication Frequency:	Two issues yearly