| Event Date | Event Description |
| Saturday, August 16, 2003 | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 |
| Monday, January 25, 1999 | REGISTERED - SEC. 8 (6-YR) ACCEPTED |
| Wednesday, September 23, 1998 | REGISTERED - SEC. 8 (6-YR) FILED |
| Tuesday, November 10, 1992 | REGISTERED-SUPPLEMENTAL REGISTER |
| Friday, August 21, 1992 | APPROVED FOR REGISTRATION SUPPLEMENTAL REGISTER |
| Monday, August 3, 1992 | EX PARTE APPEAL-REFUSAL REVERSED |
| Friday, January 17, 1992 | EXAMINERS STATEMENT MAILED |
| Friday, January 17, 1992 | ASSIGNED TO EXAMINER |
| Friday, January 17, 1992 | ASSIGNED TO EXAMINER |
| Friday, January 17, 1992 | ASSIGNED TO EXAMINER |
| Wednesday, December 11, 1991 | ASSIGNED TO EXAMINER |
| Monday, November 25, 1991 | EX PARTE APPEAL-REFUSAL REVERSED |
| Friday, July 19, 1991 | EXAMINERS STATEMENT MAILED |
| Wednesday, March 20, 1991 | CONTINUATION OF FINAL REFUSAL MAILED |
| Monday, March 4, 1991 | JURISDICTION RESTORED TO EXAMINING ATTORNEY |
| Monday, January 14, 1991 | JURISDICTION RESTORED TO EXAMINING ATTORNEY |
| Monday, December 17, 1990 | EX PARTE APPEAL-INSTITUTED |
| Monday, May 7, 1990 | FINAL REFUSAL MAILED |
| Thursday, March 1, 1990 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, September 25, 1989 | NON-FINAL ACTION MAILED |
| Tuesday, May 16, 1989 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, November 16, 1988 | NON-FINAL ACTION MAILED |
| Monday, November 7, 1988 | ASSIGNED TO EXAMINER |