| Event Date | Event Description |
| Friday, March 18, 2016 | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 |
| Wednesday, March 17, 2010 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, January 13, 2010 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, December 2, 2009 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, November 25, 2009 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, May 13, 2009 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, April 22, 2009 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, April 1, 2009 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Tuesday, April 15, 2008 | CASE FILE IN TICRS |
| Monday, May 14, 2007 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Thursday, May 10, 2007 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, March 29, 2006 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, March 5, 2003 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| Wednesday, March 5, 2003 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Tuesday, November 19, 2002 | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED |
| Tuesday, November 19, 2002 | PAPER RECEIVED |
| Wednesday, March 8, 1989 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Tuesday, February 16, 1988 | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED |
| Friday, July 31, 1987 | MISCELLANEOUS PAPER |
| Tuesday, January 25, 1983 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, November 2, 1982 | PUBLISHED FOR OPPOSITION |
| Tuesday, September 21, 1982 | NOTICE OF PUBLICATION |
| Friday, August 27, 1982 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Tuesday, March 2, 1982 | NON-FINAL ACTION MAILED |
| Tuesday, December 22, 1981 | ASSIGNED TO EXAMINER |
| Monday, September 21, 1981 | ASSIGNED TO EXAMINER |
| Monday, September 14, 1981 | ASSIGNED TO EXAMINER |