Trademarks
HEMLOCK SEMICONDUCTOR
- Serial number
- 77761306
- Registration number
- 3938499
- Filed
- 2009-06-16
- Registered
- 2011-03-29
- Status
- Registration cancelled 2021-11-12 (USPTO status code 710, 2021-11-12; as of the dataset)
- Classes
- 001
- Elsewhere
- USPTO TSDR record (current status) ↗
- Source
- TRCFECO2, file of 2024-03-27
Goods and services
Polycrystalline silicon, polysilicon, silanes, and silicon source chemicals used in manufacturing silicone ingots and wafers for semiconductor devices, for solar devices, for electronic devices, for mono-crystal solar cells, and for single-crystal solar cells
Owners
| Owner | Role | Entity | Place | Also on furp.org | Source |
|---|---|---|---|---|---|
| Dow Corning Corporation | Original applicant, Owner at publication, Original registrant | Corporation | Midland, MI | TRCFECO2, file of 2024-03-27 |
Assignment history
No recorded assignments on file for this mark.
USPTO bulk data: the Trademark Case Files Dataset (TRCFECO2; the latest release, March 2024, runs through 2023) for marks, owners, classes and goods and services; the Trademark Assignment Dataset (TRASECO) for assignments. Marks filed in the last 20 years, plus older marks still registered. Status here is read from the dataset’s dates and status code; TSDR has the current status. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.