| Serial Number | 73311023 |
| Word Mark | TANDEM |
| Filing Date | Monday, May 18, 1981 |
| Status | 710 - CANCELLED - SECTION 8 |
| Status Date | Saturday, February 21, 2004 |
| Registration Number | 1237878 |
| Registration Date | Tuesday, May 17, 1983 |
| Mark Drawing | 5W23 - Drawing with word(s) / letter(s) / number(s) in Stylized form |
| Published for Opposition Date | Tuesday, November 23, 1982 |
| Goods and Services | Immunoassay Diagnostic Kits Consisting Primarily of In Vitro Diagnostic Reagents |
| International Class | 001 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins; unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry. |
| US Class Codes | 006 |
| Class Status Code | 2 - Sec. 8 - Entire Registration |
| Class Status Date | Saturday, February 21, 2004 |
| Primary Code | 001 |
| First Use Anywhere Date | Monday, February 2, 1981 |
| First Use In Commerce Date | Monday, February 2, 1981 |
| Party Name | Hybritech Incorporated |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | La Jolla, CA 92037 |
| Party Name | Hybritech Incorporated |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | La Jolla, CA 92037 |
| Party Name | Hybritech Incorporated |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | La Jolla, CA 92037 |
| Event Date | Event Description |
| Wednesday, June 10, 2015 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Wednesday, June 10, 2015 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Saturday, February 21, 2004 | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 |
| Tuesday, May 16, 1989 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Monday, January 9, 1989 | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED |
| Tuesday, May 17, 1983 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, November 23, 1982 | PUBLISHED FOR OPPOSITION |
| Tuesday, May 17, 1983 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, October 12, 1982 | NOTICE OF PUBLICATION |
| Wednesday, August 18, 1982 | ASSIGNED TO EXAMINER |