USPTO serial 97583066
HELIOSTEAM
Reviewed by CopyMark Law Group
Status 606
- Filing date
- Status date
- Registration date
- —
- Examiner
- FOSTER, ALEXANDRA M.
- Law office
- INTENT TO USE SECTION
What this means
This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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Owner
Pasadena, CA, US
Pasadena, CA, US
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Howard S. Michael
Howard S. Michael CROWELL & MORING LLPP.O. BOX 10395CHICAGO, IL 60610United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 011 | Solar power plants for converting sunlight into steam and equipment for solar power plants, namely, heliostats with mirrors and heliostat control systems, solar thermal receivers, thermal storage systems, solar thermochemical reactors, boilers, and heat exchangers | ACTIVE | — |
| 037 | Installation, operation, and maintenance of solar energy based power plants; repair and maintenance of solar based power plant equipment including heliostats and heliostat control systems, solar thermal receivers, thermal storage systems, solar thermochemical reactors, boilers, and heat exchangers | ACTIVE | — |
| 039 | Providing high-temperature heat in the form of a working fluid for thermochemical reactions from sunlight or solar energy, the working fluid in the form of steam with a temperature greater than 150 degrees Celsius | ACTIVE | — |
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.
- Other trademarks owned by Heliogen, Inc.
- Other trademarks owned by Heliogen, Inc.
- Other trademarks in Class 011
- Other trademarks in Class 037
- Other trademarks in Class 039
- Similar marks named HELIOSTEAM
- Prosecution event MAB6 explained
- Recently changed USPTO trademarks
- Recently filed trademarks
- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Oct 27, 2025 | MAB6 | ABANDONMENT NOTICE E-MAILED - NO USE STATEMENT FILED | The intent-to-use application was abandoned because no acceptable Statement of Use (or valid extension) was filed before the Notice of Allowance deadline expired. The application is dead unless revived within a limited window. |
| Oct 27, 2025 | ABN6 | ABANDONMENT - NO USE STATEMENT FILED | The intent-to-use application was abandoned because no acceptable Statement of Use (or valid extension) was filed before the Notice of Allowance deadline expired. The application is dead unless revived within a limited window. |
| Mar 27, 2025 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Mar 27, 2025 | EX3G | SOU EXTENSION 3 GRANTED | — |
| Mar 26, 2025 | EXT3 | SOU EXTENSION 3 FILED | — |
| Mar 26, 2025 | EEXT | SOU TEAS EXTENSION RECEIVED | The applicant requested more time to file a Statement of Use before the Notice of Allowance deadline. Each extension typically adds six months. A limited number of extensions are available for intent-to-use applications not yet in use. |
| Sep 25, 2024 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Sep 25, 2024 | EX2G | SOU EXTENSION 2 GRANTED | — |
| Sep 25, 2024 | EXT2 | SOU EXTENSION 2 FILED | — |
| Sep 25, 2024 | EEXT | SOU TEAS EXTENSION RECEIVED | The applicant requested more time to file a Statement of Use before the Notice of Allowance deadline. Each extension typically adds six months. A limited number of extensions are available for intent-to-use applications not yet in use. |
| Mar 27, 2024 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Mar 26, 2024 | EX1G | SOU EXTENSION 1 GRANTED | — |
| Mar 26, 2024 | EXT1 | SOU EXTENSION 1 FILED | — |
| Mar 26, 2024 | EEXT | SOU TEAS EXTENSION RECEIVED | The applicant requested more time to file a Statement of Use before the Notice of Allowance deadline. Each extension typically adds six months. A limited number of extensions are available for intent-to-use applications not yet in use. |
| Sep 26, 2023 | NOAM | NOA E-MAILED - SOU REQUIRED FROM APPLICANT | A Notice of Allowance means your intent-to-use application cleared examination and opposition but is not registered yet. You must file a Statement of Use showing the mark in commerce, or request an extension, before the deadline — usually six months from the notice date. |
| Aug 1, 2023 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Aug 1, 2023 | PUBO | PUBLISHED FOR OPPOSITION | Your mark was published in the USPTO Official Gazette for a 30-day opposition window. During that period, third parties who believe they would be harmed can file an opposition. If no opposition is filed, prosecution usually continues toward registration or a Notice of Allowance. |
| Jul 12, 2023 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Jun 23, 2023 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Jun 22, 2023 | DOCK | ASSIGNED TO EXAMINER | — |
| Sep 26, 2022 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Sep 12, 2022 | NWAP | NEW APPLICATION ENTERED | — |