| Serial Number | 73043944 |
| Word Mark | KEYSTONE |
| Filing Date | Tuesday, February 11, 1975 |
| Status | 800 - REGISTERED AND RENEWED |
| Status Date | Friday, January 9, 2015 |
| Registration Number | 1027536 |
| Registration Date | Tuesday, December 16, 1975 |
| Mark Drawing | 1 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
| Goods and Services | PROVIDING CONVENTION FACILITIES |
| Goods and Services | RESTAURANT AND BAR SERVICES; LODGING AND INFIRMARY SERVICES; HOTEL SERVICES |
| Goods and Services | PROVIDING FACILITIES FOR SKIING, TENNIS, GOLF, RIDING AND RECREATION; LEASING AND RENTAL OF SPORTING AND RECREATIONAL EQUIPMENT, APPARATUS AND CLOTHING |
| International Class | 035 - Advertising; business management; business administration; office functions. |
| US Class Codes | 101 |
| Class Status Code | 6 - Active |
| Class Status Date | Tuesday, March 1, 1983 |
| Primary Code | 035 |
| First Use Anywhere Date | Sunday, November 1, 1970 |
| First Use In Commerce Date | Monday, November 23, 1970 |
| International Class | 041 - Education; providing of training; entertainment; sporting and cultural activities. |
| US Class Codes | 100, 107 |
| Class Status Code | 6 - Active |
| Class Status Date | Tuesday, March 1, 1983 |
| Primary Code | 041 |
| First Use Anywhere Date | Sunday, November 1, 1970 |
| First Use In Commerce Date | Monday, November 23, 1970 |
| International Class | 042 - Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software. |
| US Class Codes | 100 |
| Class Status Code | 6 - Active |
| Class Status Date | Tuesday, March 1, 1983 |
| Primary Code | 042 |
| First Use Anywhere Date | Sunday, November 1, 1970 |
| First Use In Commerce Date | Monday, November 23, 1970 |
| Party Name | VAIL SUMMIT RESORTS, INC. |
| Party Type | 41 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | Broomfield, CO 80021 |
| Party Name | RALSTON RESORTS, INC. |
| Party Type | 40 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | ST. LOUIS, MO 631880618 |
| Party Name | RALSTON PURINA COMPANY |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | ST. LOUIS, MO 63188 |
| Event Date | Event Description |
| Wednesday, September 9, 1981 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Tuesday, November 21, 1995 | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 |
| Thursday, February 1, 1996 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| Thursday, June 16, 2005 | TEAS SECTION 8 & 9 RECEIVED |
| Thursday, June 16, 2005 | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED |
| Tuesday, August 23, 2005 | ASSIGNED TO PARALEGAL |
| Friday, August 26, 2005 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Friday, August 26, 2005 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) |
| Friday, September 28, 2007 | CASE FILE IN TICRS |
| Wednesday, December 17, 2014 | TEAS SECTION 8 & 9 RECEIVED |
| Friday, January 9, 2015 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Friday, January 9, 2015 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Friday, January 9, 2015 | REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS) |
| Friday, January 9, 2015 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |
| Monday, June 6, 2016 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Monday, June 6, 2016 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Thursday, March 30, 2023 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Thursday, March 30, 2023 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Thursday, March 30, 2023 | TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS |
| Thursday, March 30, 2023 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Monday, December 16, 2024 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Tuesday, November 18, 2025 | TEAS SECTION 8 & 9 RECEIVED |