U.S. PATENT AND TRADEMARK OFFICE Information Products Division Technology Assessment and Forecast (TAF) Branch |
Class | Class Title | 1996 | 1997 | 1998 | 1999 | 2000 | Total |
074 | Machine Element or Mechanism | 0 | 1 | 0 | 0 | 0 | 1 |
123 | Internal-Combustion Engines | 0 | 0 | 1 | 0 | 0 | 1 |
124 | Mechanical Guns and Projectors | 0 | 0 | 0 | 1 | 0 | 1 |
210 | Liquid Purification or Separation | 1 | 0 | 0 | 0 | 0 | 1 |
423 | Chemistry of Inorganic Compounds | 0 | 1 | 0 | 0 | 0 | 1 |
424 | Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) | 0 | 0 | 0 | 1 | 0 | 1 |
435 | Chemistry: Molecular Biology and Microbiology | 0 | 1 | 0 | 0 | 0 | 1 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 0 | 1 | 0 | 0 | 0 | 1 |
530 | Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof | 0 | 0 | 0 | 0 | 1 | 1 |
532 | Organic Compounds (includes Classes 532-570) | 0 | 1 | 0 | 0 | 0 | 1 |
ALL | ALL CLASSES | 1 | 5 | 1 | 2 | 1 | 10 |
U.S. Patent and Trademark Office
Information Products Division - TAF Branch
PK3- Suite 441
Washington, DC 20231 tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov address of TAF Internet pages : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of TAF reports from : ftp.uspto.gov/pub/taf/