Patents
US 11435294 B2: Color-changing environmental stimulus indicator with reference of variable appearance
- Granted
- 2022-09-06
- Filed
- 2017-10-03 application 15723693
- Type
- Utility · 26 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A color-changing environmental stimulus indicator includes a substrate, an active indicator placed above the substrate, and a reference component. The active indicator is configured to change color in response to an environmental stimulus. The reference component is also color changeable in response to an environmental stimulus. The reference component is configured to have a similar appearance to the active indicator at an end point. The environmental stimulus includes one or more of temperature, cumulative temperature, humidity, pH, and ultraviolet radiation.
Source: PVGPATDIS, file of 2026-04-10 (ipg220906.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| TEMPTIME CORPORATION 59 patents | US company or organization | Littleton, NJ | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Mohannad Abdo | Clifton, NJ | 51 | PVGPATDIS, file of 2026-04-10 | |
| Frederick Robert Grabiner | Livingston, NJ | 6 | PVGPATDIS, file of 2026-04-10 | |
| Dawn E. Smith | Mount Horeb, NJ | 30 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G01N | Investigating or analysing materials by determining their chemical or physical properties | G01N21/78 | PVGPATDIS, file of 2026-04-10 |
| A61K | Preparations for medical, dental or toiletry purposes | A61K39/00 | PVGPATDIS, file of 2026-04-10 |
| C09D | Coating compositions, e.g. paints, varnishes or lacquers; filling pastes; chemical paint or ink removers; inks; correcting fluids; woodstains; pastes or solids for colouring or printing; use of materials therefor | C09D11/50 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2025-05-29 | Merger Merger | TEMPTIME CORPORATION signed 2025-05-22 | ZEBRA TECHNOLOGIES CORPORATION LINCOLNSHIRE, IL | 71548/54 | PASDL, file of 2026-10-15 |
| 2021-03-05 | Release of security interest Release of security interest - 364 - day | JPMORGAN CHASE BANK, N.A. signed 2021-02-25 | ZEBRA TECHNOLOGIES CORPORATION LINCOLNSHIRE, IL LASER BAND, LLC LINCOLNSHIRE, IL TEMPTIME CORPORATION MORRIS PLAINS, NJ | 56036/590 | PASDL, file of 2026-10-15 |
| 2020-09-01 | Security interest Security interest Security interest | ZEBRA TECHNOLOGIES CORPORATION signed 2020-09-01 LASER BAND, LLC signed 2020-09-01 TEMPTIME CORPORATION signed 2020-09-01 | JPMORGAN CHASE BANK, N.A. BROOKLYN, NY | 53841/212 | PASDL, file of 2026-10-15 |
| 2019-04-25 | Security interest Security interest Security interest | TEMPTIME CORPORATION signed 2019-04-24 | JPMORGAN CHASE BANK, N.A, AS COLLATERAL AGENT BROOKLYN, NY | 48995/241 | PASDL, file of 2026-10-15 |
| 2018-10-11 | Assignment Assignment of assignor's interest | ABDO, MOHANNAD signed 2016-11-08 GRABINER, FREDERICK ROBERT signed 2016-11-08 SMITH, DAWN E. signed 2016-11-10 | TEMPTIME CORPORATION MORRIS PLAINS, NJ | 47135/487 | 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.