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902.03(d) Patent Information and Search Tools: the Cassis CD-ROM Series - 900 Prior Art, Classification, Search
902.03(d) Patent Information and Search Tools: the Cassis CD-ROM Series
Access to a great deal of patent information as well as various search tools is available in the Cassis CD-ROM series. These include:
(A) Patents CLASS: Provides a list of all classifications of a patent number and a list of all patent numbers in a classification, showing ORs and XRs.
(B) Patents BIB: Bibliographic information for utility patents issued since 1969 (other patents, since 1977), including issue date, title, current classifications, assignee at time of issue, status (withdrawn, reexamined, extended term, certificate of correction issued or expired due to nonpayment of maintenance fee), and abstracts for the most recent 2 1/2 - 3 years depending on disc space.
(C) Patents ASSIGN: Shows assignment of patent rights recorded at the USPTO from August 1980 to present.
(D) Patents ASSIST: This disc provides a variety of files: Manual of Classification; Manual of Patent Examining Procedure; Index to the U.S. Patent Classification System; Attorneys and Agents Registered to Practice before the U.S. Patent and Trademark Office; Classification Orders Index showing Classes/subclasses abolished or established since 1976; IPC-USPC Concordance; Classification, Art Unit, Supervisory Patent Examiner and Telephone Number (CAST) showing which Art Units examine which art according to classification; Classification Definitions; and Patentee-Assignee File showing assignment of patent rights at time of issue since 1969 for utility patents (other patents, since 1977), and inventor names since 1975.
The above CD-ROMs are text-searchable. Search results can be viewed on-screen, printed, or down-loaded to diskette. Patents CLASS and Patents BIB are updated with new information every two months; Patents ASSIGN and Patents ASSIST are updated every three months.
In addition to the text-searchable discs, USAPat offers full facsimile images on CD-ROM of U.S. patents issued weekly. The backfile includes patents issued since January 1994. Intended as a document delivery system, USAPat allows retrieval of patents by document number only. Excellent printed copies can be obtained using a laser printer.
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