| Event Date | Event Description |
| Wednesday, January 18, 2012 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, November 23, 2011 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Tuesday, January 9, 2001 | ABANDONMENT - AFTER EX PARTE APPEAL |
| Monday, March 5, 2001 | ASSIGNED TO EXAMINER |
| Saturday, February 10, 2001 | JURISDICTION RESTORED TO EXAMINING ATTORNEY |
| Saturday, February 10, 2001 | EXPARTE APPEAL TERMINATED |
| Wednesday, November 8, 2000 | EXPARTE APPEAL AFFIRMED/REVERSED IN PART |
| Friday, March 31, 2000 | EXAMINERS STATEMENT MAILED |
| Wednesday, February 2, 2000 | JURISDICTION RESTORED TO EXAMINING ATTORNEY |
| Tuesday, April 20, 1999 | CONTINUATION OF FINAL REFUSAL MAILED |
| Monday, January 4, 1999 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, July 1, 1998 | NON-FINAL ACTION MAILED |
| Thursday, June 4, 1998 | JURISDICTION RESTORED TO EXAMINING ATTORNEY |
| Wednesday, June 3, 1998 | EX PARTE APPEAL-INSTITUTED |
| Tuesday, October 28, 1997 | FINAL REFUSAL MAILED |
| Friday, September 19, 1997 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, March 18, 1997 | NON-FINAL ACTION MAILED |
| Friday, February 14, 1997 | ASSIGNED TO EXAMINER |
| Wednesday, February 5, 1997 | ASSIGNED TO EXAMINER |
| Friday, January 17, 1997 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, July 11, 1996 | NON-FINAL ACTION MAILED |
| Monday, July 8, 1996 | ASSIGNED TO EXAMINER |