Marker Detection Mechanisms for Use in Marking Devices and Methods of Using Same
A patent family: one line of work, grouped by real continuity rather than by a technology label
inferred from titles. 2 of these applications claim priority to application 61/079,518, filed Jul 10, 2008. A shared origin can cover several different claimed inventions, which is why members here may not share a title. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.
| Patent | Title | Holder | Status | Expires | Time remaining | Confidence |
|---|---|---|---|---|---|---|
| US 9,004,004 | Optical Sensing Methods and Apparatus for Detecting a Color of a Marking Substance In force · High confidence | Certusview Technologies, LLC | In force | High confidence | ||
| US 8,424,486 | Marker Detection Mechanisms for Use in Marking Devices and Methods of Using Same In force · High confidence | Certusview Technologies, LLC | In force | High confidence |
2 of 2 records shown. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.