| Event Date | Event Description |
| Tuesday, October 18, 2011 | PAPER RECEIVED |
| Friday, September 16, 2011 | ABANDONMENT NOTICE MAILED - FAILURE TO RESPOND |
| Friday, September 16, 2011 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE |
| Wednesday, February 16, 2011 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Wednesday, February 16, 2011 | NON-FINAL ACTION E-MAILED |
| Wednesday, February 16, 2011 | NON-FINAL ACTION WRITTEN |
| Wednesday, February 16, 2011 | REMOVED FROM TEAS PLUS |
| Wednesday, February 16, 2011 | RESTORE TO TEAS PLUS |
| Wednesday, February 16, 2011 | REMOVED FROM TEAS PLUS |
| Wednesday, February 16, 2011 | ASSIGNED TO EXAMINER |
| Wednesday, February 16, 2011 | RESTORE TO TEAS PLUS |
| Wednesday, February 16, 2011 | REMOVED FROM TEAS PLUS |
| Wednesday, February 16, 2011 | RESTORE TO TEAS PLUS |
| Wednesday, February 16, 2011 | REMOVED FROM TEAS PLUS |
| Wednesday, February 16, 2011 | RESTORE TO TEAS PLUS |
| Wednesday, February 16, 2011 | REMOVED FROM TEAS PLUS |
| Wednesday, February 9, 2011 | ASSIGNED TO EXAMINER |
| Wednesday, November 3, 2010 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED IN TRAM |
| Wednesday, November 3, 2010 | NEW APPLICATION ENTERED IN TRAM |