Provides an alphabetical listing of subject matter headings which in turn lead to the class or subclass numbers appropriate to the particular invention. A loose-leaf service containing a further listing of all 570 classes and over 70,000 subclasses currently assigned by the Patent Office. Supplements the Manual of Classifications with a detailed explanation of each class add subclass. The Official Gazette of the United States Patent and Trademark Office . The Official Gazette provides a diagram and brief description of the patents granted or renewed during a given week.
Entries are in numerical order according to the consecutive patent number.
Currently these numbers run over four billion. Part I, Lists of Patentees, lists patent owners names and the patent number granted to them. It includes joint owners and the names of companies which have patents assigned to their employees. Part II, Index to Subjects of Inventions, lists all patents issued during the year by class as you would genus and species. When you Know The Patent Number 1.