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Drawing for DENSTONE

USPTO serial 73031492

DENSTONE

Reviewed by CopyMark Law Group

Reg. 1021460Status 800Registered
Filing date
Status date
Registration date
Sep 30, 1975
Examiner
—
Law office
PUBLICATION AND ISSUE SECTION

What this means

Status 800 means the registration was renewed after acceptable combined Section 8 and Section 9 filings. The mark remains registered for another 10-year term with active federal protection. Calendar the next Section 8 and 9 deadline in 10 years and maintain monitoring.

Status 800: Status 800 means the registration was renewed after acceptable combined Section 8 and Section 9 filings. The mark remains registered for another 10-year term with active federal protection.

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If you own this trademark, we can monitor new filings and help with USPTO deadlines. If you do not, we can file a new U.S. application.

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Owner

Attorney of record

The USPTO lists this attorney as the applicant's representative for correspondence on this application.

Sara T. Colburn

Sara T. Colburn Cantor Colburn LLP20 Church StreetFloor 22Hartford, CT 06103

Goods and services

ClassDescriptionStatusFirst use
011CERAMIC BALLS AND PELLETS USED AS CATALYST BED SUPPORTSACTIVEAug 13, 1969

Related trademarks

CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.

Prosecution history

DateCodeEventWhat it means
Jan 18, 2026NA89NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED—
Jan 18, 2026RNL4REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)—
Jan 18, 202689AGREGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTEDThe USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary.
Jan 18, 2026APRECASE ASSIGNED TO POST REGISTRATION PARALEGAL—
Oct 13, 2025E89RTEAS SECTION 8 & 9 RECEIVED—
Oct 9, 2025EWAFTEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS—
Oct 9, 2025TCCATEAS CHANGE OF CORRESPONDENCE RECEIVED—
Oct 9, 2025ARAAATTORNEY/DOM.REP.REVOKED AND/OR APPOINTEDThis event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action.
Oct 9, 2025REAPTEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED—
Oct 9, 2025CHANAPPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED—
Oct 9, 2025COARTEAS CHANGE OF OWNER ADDRESS RECEIVED—
Sep 30, 2024REM2COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED—
Jun 20, 2023TCCATEAS CHANGE OF CORRESPONDENCE RECEIVED—
Jun 20, 2023ARAAATTORNEY/DOM.REP.REVOKED AND/OR APPOINTEDThis event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action.
Jun 20, 2023REAPTEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED—
Jun 20, 2023CHANAPPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED—
Jun 20, 2023COARTEAS CHANGE OF OWNER ADDRESS RECEIVED—
May 4, 2016ARAAATTORNEY/DOM.REP.REVOKED AND/OR APPOINTEDThis event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action.
May 4, 2016REAPTEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED—
Nov 5, 2015NA89NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED—
Nov 5, 2015RNL3REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active.
Nov 5, 201589AGREGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTEDThe USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary.
Nov 5, 2015APRECASE ASSIGNED TO POST REGISTRATION PARALEGAL—
Sep 25, 2015E89RTEAS SECTION 8 & 9 RECEIVED—
Sep 23, 2015ASGNAUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP—
Jul 12, 2005RNL2REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active.
Jul 12, 200589AGREGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTEDThe USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary.
Jul 12, 2005PLGLASSIGNED TO PARALEGAL—
May 16, 200589AFREGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED—
May 16, 2005E89RTEAS SECTION 8 & 9 RECEIVED—
Sep 20, 1995RNL1REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active.
Jul 24, 19959.AFREGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8—
Dec 21, 1981C15AREGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.—

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