| Event Date | Event Description |
| Tuesday, September 20, 2005 | ABANDONMENT NOTICE MAILED - FAILURE TO RESPOND |
| Tuesday, September 20, 2005 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE |
| Thursday, August 11, 2005 | ASSIGNED TO EXAMINER |
| Tuesday, February 22, 2005 | NON-FINAL ACTION E-MAILED |
| Tuesday, February 22, 2005 | NON-FINAL ACTION WRITTEN |
| Wednesday, May 19, 2004 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Friday, May 14, 2004 | PAPER RECEIVED |
| Wednesday, May 12, 2004 | CASE FILE IN TICRS |
| Friday, April 30, 2004 | NON-FINAL ACTION MAILED |
| Thursday, April 22, 2004 | PREVIOUS ALLOWANCE COUNT WITHDRAWN |
| Thursday, April 22, 2004 | ASSIGNED TO EXAMINER |
| Monday, March 15, 2004 | PAPER RECEIVED |
| Tuesday, March 2, 2004 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Tuesday, March 2, 2004 | EXAMINERS AMENDMENT MAILED |
| Tuesday, February 17, 2004 | PAPER RECEIVED |
| Monday, February 2, 2004 | PETITION TO REVIVE-GRANTED |
| Tuesday, October 21, 2003 | PETITION TO REVIVE-RECEIVED |
| Wednesday, October 22, 2003 | PAPER RECEIVED |
| Tuesday, October 21, 2003 | PAPER RECEIVED |
| Monday, August 18, 2003 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE |
| Thursday, January 2, 2003 | NON-FINAL ACTION MAILED |
| Tuesday, December 31, 2002 | ASSIGNED TO EXAMINER |
| Tuesday, December 31, 2002 | PREVIOUS ALLOWANCE COUNT WITHDRAWN |
| Sunday, September 22, 2002 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Monday, July 15, 2002 | ASSIGNED TO EXAMINER |
| Friday, July 12, 2002 | REINSTATED |
| Monday, May 20, 2002 | PAPER RECEIVED |
| Saturday, January 12, 2002 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE |
| Tuesday, February 27, 2001 | NON-FINAL ACTION MAILED |
| Monday, February 12, 2001 | ASSIGNED TO EXAMINER |