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Official data from USPTO

KEYSTONE

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Active USPTO registrationType: WordOffice: United States

Quick snapshot

KEYSTONE

ST13

US500000073043944

Class

35, 41, 42

Filing

73043944

Registration

1027536

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

26

Latest update

03/10/2026

Trademark type

Word

Nice classes

35, 41, 42

Filing date

02/11/1975

Registration date

12/16/1975

Expiration date

-

Complete case details

Structured fields from the responsible authority and the official record.

Status date

02/19/2026

Last transaction

03/10/2026

Responsible office

United States Patent and Trademark Office

Status code

800

Official register

Principal Register

First use anywhere

11/01/1970

First use in commerce

11/23/1970

Drawing code

1

Owner type

03

Owner location

Broomfield, CO, US

Current location

PUBLICATION AND ISSUE SECTION

Holders and representatives

Holders

VAIL SUMMIT RESORTS, INC.
RALSTON RESORTS, INC.
RALSTON PURINA COMPANY

Representatives

Russell C. Pangborn Seed Intellectual Property Law Group LLP

Technical classification

Nice Classes

Class 35Class 41Class 42

Vienna Codes

No Vienna codes available.

Goods and services

Class 35

PROVIDING CONVENTION FACILITIES

Class 41

PROVIDING FACILITIES FOR SKIINGTENNISGOLFRIDING AND RECREATION; LEASING AND RENTAL OF SPORTING AND RECREATIONAL EQUIPMENTAPPARATUS AND CLOTHING

Class 42

RESTAURANT AND BAR SERVICES; LODGING AND INFIRMARY SERVICES; HOTEL SERVICES

Publications

History of USPTO decisions and trademark events.

26 publications found

NA89

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

02/19/2026

RNL4

REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)

02/19/2026

89AG

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

02/19/2026

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

02/19/2026

E89R

TEAS SECTION 8 & 9 RECEIVED

11/18/2025

REM2

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

12/16/2024

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

03/30/2023

EWAF

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

03/30/2023

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

03/30/2023

REAP

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

03/30/2023

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

06/06/2016

REAP

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

06/06/2016

NA89

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

01/09/2015

RNL3

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

01/09/2015

89AG

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

01/09/2015

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

01/09/2015

E89R

TEAS SECTION 8 & 9 RECEIVED

12/17/2014

CFIT

CASE FILE IN TICRS

09/28/2007

RNL2

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

08/26/2005

89AG

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

08/26/2005

PLGL

ASSIGNED TO PARALEGAL

08/23/2005

89AF

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

06/16/2005

E89R

TEAS SECTION 8 & 9 RECEIVED

06/16/2005

RNL1

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

02/01/1996

9.AF

REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8

11/21/1995

C15A

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

09/09/1981

Continuous trademark protection

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