Reverse photochromic inks, and associated methods and writing instruments
US-12202995-B2 · Jan 21, 2025 · US
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Patent family 75167103
This patent family groups 2 related publications across US. Members often share priority claims or equivalent filings in different countries.
| Field | Value |
|---|---|
| Family ID | 75167103 |
| Family type | — |
| Earliest priority | Sep 24, 2019 |
| First filing country | US |
| Member publications | 2 |
| Countries | US |
| Representative publication | US12202995B2 — Reverse photochromic inks, and associated methods and writing instruments |
Representative publication
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US12202995B2 — Reverse photochromic inks, and associated methods and writing instruments (published Jan 21, 2025)
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