| Event Date | Event Description |
| Friday, February 24, 2006 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Saturday, April 17, 2004 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE |
| Tuesday, September 2, 2003 | NON-FINAL ACTION MAILED |
| Tuesday, July 15, 2003 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, August 4, 2003 | CASE FILE IN TICRS |
| Tuesday, July 15, 2003 | PAPER RECEIVED |
| Tuesday, June 10, 2003 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Thursday, June 5, 2003 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Thursday, January 16, 2003 | NON-FINAL ACTION MAILED |
| Tuesday, January 15, 2002 | Sec. 1(B) CLAIM DELETED |
| Tuesday, January 15, 2002 | SEC. 1(A) CLAIM DELETED |
| Wednesday, January 15, 2003 | ASSIGNED TO EXAMINER |
| Tuesday, December 17, 2002 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, December 17, 2002 | PAPER RECEIVED |
| Friday, August 30, 2002 | NON-FINAL ACTION MAILED |
| Tuesday, October 9, 2001 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, August 27, 2001 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, February 26, 2001 | NON-FINAL ACTION MAILED |
| Friday, February 23, 2001 | ASSIGNED TO EXAMINER |