| Event Date | Event Description |
| Wednesday, February 13, 2002 | ABANDONMENT - EXPRESS MAILED |
| Wednesday, February 13, 2002 | ASSIGNED TO EXAMINER |
| Thursday, January 24, 2002 | EXPARTE APPEAL TERMINATED |
| Tuesday, November 6, 2001 | CONTINUATION OF FINAL REFUSAL MAILED |
| Thursday, September 27, 2001 | ASSIGNED TO EXAMINER |
| Wednesday, September 26, 2001 | JURISDICTION RESTORED TO EXAMINING ATTORNEY |
| Thursday, March 25, 1999 | EX PARTE APPEAL-INSTITUTED |
| Thursday, December 14, 2000 | DIVISIONAL PROCESSING COMPLETE |
| Tuesday, May 9, 2000 | DIVISIONAL REQUEST RECEIVED |
| Wednesday, November 10, 1999 | CONTINUATION OF FINAL REFUSAL MAILED |
| Thursday, July 1, 1999 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, May 10, 1999 | ASSIGNED TO EXAMINER |
| Thursday, March 25, 1999 | JURISDICTION RESTORED TO EXAMINING ATTORNEY |
| Thursday, March 25, 1999 | EX PARTE APPEAL-INSTITUTED |
| Wednesday, January 6, 1999 | DIVISIONAL PROCESSING COMPLETE |
| Friday, October 30, 1998 | DIVISIONAL REQUEST RECEIVED |
| Thursday, April 30, 1998 | FINAL REFUSAL MAILED |
| Saturday, March 21, 1998 | ASSIGNED TO EXAMINER |
| Monday, January 12, 1998 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, July 9, 1997 | NON-FINAL ACTION MAILED |
| Monday, April 7, 1997 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, October 4, 1996 | NON-FINAL ACTION MAILED |
| Wednesday, August 14, 1996 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, March 6, 1996 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, July 24, 1996 | REINSTATED |
| Friday, March 29, 1996 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE |
| Wednesday, August 9, 1995 | NON-FINAL ACTION MAILED |
| Wednesday, July 26, 1995 | ASSIGNED TO EXAMINER |
| Thursday, May 4, 1995 | ASSIGNED TO EXAMINER |
| Friday, March 10, 1995 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, February 27, 1995 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, August 24, 1994 | NON-FINAL ACTION MAILED |
| Thursday, July 28, 1994 | ASSIGNED TO EXAMINER |
| Friday, July 22, 1994 | ASSIGNED TO EXAMINER |
| Thursday, July 14, 1994 | ASSIGNED TO EXAMINER |