Patents
US D570464 S1: Air and surface purifying device
- Granted
- 2008-06-03
- Filed
- 2007-08-02 application 29282957
- Type
- Design · 1 claim
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Not reported
Source: PVGPATDIS, file of 2026-04-10 (ipg080603.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Ecoquest International, Inc. 1 patents | US company or organization | Greeneville, TN | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| James Normark | Church Hill, TN | 2 | PVGPATDIS, file of 2026-04-10 |
CPC categories
No CPC categories reported.
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2009-05-15 | Assignment Assignment of assignor's interest | ECOQUEST INTERNATIONAL, INC. signed 2009-03-28 | DBG GROUP INVESTMENTS, LLC DALLAS, TX | 22689/486 | ECORSEXC, file of 2026-09-25 |
| 2007-08-03 | Assignment Assignment of assignor's interest | NORMARK, JAMES signed 2007-08-01 | ECOQUEST INTERNATIONAL, INC. GREENEVILLE, TN | 19642/728 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. 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.