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Official data from USPTO

CALAMUS

Did you know this trademark is already registered in United States?

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Active USPTO registrationType: WordOffice: United States

Quick snapshot

CALAMUS

ST13

US500000078507531

Class

10

Filing

78507531

Registration

3035334

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

35

Latest update

03/03/2026

Trademark type

Word

Nice classes

10

Filing date

10/28/2004

Registration date

12/27/2005

Expiration date

-

Complete case details

Structured fields from the responsible authority and the official record.

Status date

02/06/2026

Last transaction

03/03/2026

Responsible office

United States Patent and Trademark Office

Status code

800

Official register

Principal Register

Filing basis

Intent to use

First use anywhere

03/18/2005

First use in commerce

03/18/2005

Drawing code

4

Owner type

03

Owner location

YORK, PA, US

Examiner

BOULTON, KELLY F

Current location

PUBLICATION AND ISSUE SECTION

Holders and representatives

Holders

DENTSPLY SIRONA INC.
DENTSPLY International Inc.

Representatives

Pamela B. Huff Schwegman Lundberg & Woessner P.A.

Technical classification

Nice Classes

Class 10

Vienna Codes

No Vienna codes available.

Goods and services

Class 10

dental equipment for endodontic proceduresnamely an instrument used to deliver gutta percha

Publications

History of USPTO decisions and trademark events.

35 publications found

NA89

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

02/06/2026

RNL2

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

02/06/2026

89AG

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

02/06/2026

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

02/05/2026

E89R

TEAS SECTION 8 & 9 RECEIVED

11/03/2025

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

01/30/2025

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

01/30/2025

REAP

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

01/30/2025

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

01/30/2025

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

01/30/2025

REM2

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

12/27/2024

ASGN

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

03/23/2016

NA89

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

08/24/2015

RNL1

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

08/24/2015

89AG

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

08/24/2015

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

08/24/2015

E89R

TEAS SECTION 8 & 9 RECEIVED

07/29/2015

NA85

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

01/19/2012

C15A

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

01/19/2012

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

01/19/2012

E815

TEAS SECTION 8 & 15 RECEIVED

11/29/2011

R.PR

REGISTERED-PRINCIPAL REGISTER

12/27/2005

PUBO

PUBLISHED FOR OPPOSITION

10/04/2005

NPUB

NOTICE OF PUBLICATION

09/14/2005

PREV

LAW OFFICE PUBLICATION REVIEW COMPLETED

06/22/2005

ALIE

ASSIGNED TO LIE

06/20/2005

CNSA

APPROVED FOR PUB - PRINCIPAL REGISTER

06/10/2005

IUAA

USE AMENDMENT ACCEPTED

06/10/2005

DOCK

ASSIGNED TO EXAMINER

06/03/2005

ACEC

AMENDMENT FROM APPLICANT ENTERED

04/21/2005

AUPC

AMENDMENT TO USE PROCESSING COMPLETE

04/21/2005

CRFA

CORRESPONDENCE RECEIVED IN LAW OFFICE

04/08/2005

IUAF

USE AMENDMENT FILED

04/08/2005

EAAU

TEAS AMENDMENT OF USE RECEIVED

04/08/2005

NWAP

NEW APPLICATION ENTERED

11/06/2004

Continuous trademark protection

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