| Event Date | Event Description |
| Wednesday, February 7, 2001 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE |
| Friday, April 14, 2000 | NON-FINAL ACTION MAILED |
| Thursday, April 13, 2000 | ASSIGNED TO EXAMINER |
| Wednesday, March 1, 2000 | ASSIGNED TO EXAMINER |
| Wednesday, December 22, 1999 | PETITION TO REVIVE-GRANTED |
| Wednesday, December 15, 1999 | PETITION TO REVIVE-RECEIVED |
| Friday, September 24, 1999 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE |
| Friday, September 24, 1999 | ASSIGNED TO EXAMINER |
| Monday, February 1, 1999 | NON-FINAL ACTION MAILED |
| Thursday, January 28, 1999 | ASSIGNED TO EXAMINER |
| Thursday, January 28, 1999 | ASSIGNED TO EXAMINER |
| Tuesday, June 9, 1998 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, June 9, 1998 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, December 4, 1997 | NON-FINAL ACTION MAILED |
| Wednesday, November 12, 1997 | ASSIGNED TO EXAMINER |
| Tuesday, November 4, 1997 | ASSIGNED TO EXAMINER |
| Tuesday, November 4, 1997 | ASSIGNED TO EXAMINER |