Trademarks
HSC
- Serial number
- 77761283
- Registration number
- 3734230
- Filed
- 2009-06-16
- Registered
- 2010-01-05 · renewed 2020-01-05
- Status
- Registered and renewed (USPTO status code 800, 2020-01-18; 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 | |
| DOW SILICONES CORPORATION | New owner after registration | Corporation | MIDLAND, MI | TRCFECO2, file of 2024-03-27 | |
| DDP SPECIALTY ELECTRONIC MATERIALS US 9, LLC | New owner after registration | Limited Liability Company | WILMINGTON,, DE | DDP SPECIALTY ELECTRONIC MATERIALS US 9, LLC State business registration EXACT high confidence: identical full name and state | TRCFECO2, file of 2024-03-27 |
Assignment history
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2024-06-10 | Assignment Assigns the entire interest | DDP SPECIALTY ELECTRONIC MATERIALS US 9, LLC | HEMLOCK SEMICONDUCTOR OPERATIONS LLC HEMLOCK, MI | 8472/381 | TRASECO, file of 2026-09-29 |
| 2022-05-05 | Assignment Assigns the entire interest | DOW SILICONES CORPORATION | DDP SPECIALTY ELECTRONIC MATERIALS US 9, LLC WILMINGTON,, DE | 7713/223 | TRASECO, file of 2026-09-29 |
| 2022-04-06 | Name change Change of name | DOW CORNING CORPORATION | DOW SILICONES CORPORATION MIDLAND, MI | 7682/644 | TRASECO, file of 2026-09-29 |
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.