Duos Technologies, Inc.
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
4
Ending by 2030
Mar 2028
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Jun 30, 2027The maintenance fee for Apparatus and method to capture continuous high resolution images of a moving train undercarriage (US 10,523,858) comes due Jun 30, 2027. Unpaid by Jan 3, 2028, it lapses early.
- 1 fee due Aug 6, 2027The maintenance fee for Use of artificial intelligence to detect defects in trains and method to use (US 11,891,098) comes due Aug 6, 2027. Unpaid by Feb 7, 2028, it lapses early.
- 1 fee due Oct 30, 2027The maintenance fee for Device to capture high resolution images of a train as it passes through an inspection portal (US 11,974,035) comes due Oct 30, 2027. Unpaid by May 1, 2028, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,663,474 | Method and apparatus for automatic noninvasive illegal rider detection system In force (reinstated) · From the USPTO record | In force (reinstated) | From the USPTO record | |
| US 7,692,541 | Method and apparatus for detecting container breach via visual cues In force (reinstated) · From the USPTO record | In force (reinstated) | From the USPTO record | |
| US 7,844,078 | Method and apparatus for automatic zone occupation detection via video capture In force · From the USPTO record | In force | From the USPTO record | |
| US 7,869,621 | Method and apparatus for interpreting images in temporal or spatial domains In force · From the USPTO record | In force | From the USPTO record | |
| US 8,665,329 | Apparatus for automatically ignoring cast self shadows to increase the effectiveness of video analytics based surveillance systems In force (reinstated) · From the USPTO record | In force (reinstated) | From the USPTO record | |
| US 10,151,768 | Method and Apparatus for the Accurate Linear Speed Measurement of Trains In force · High confidence | In force | High confidence | |
| US 10,523,858 | Apparatus and method to capture continuous high resolution images of a moving train undercarriage In force · From the USPTO record | In force | From the USPTO record | |
| US 11,172,107 | Optical path alignment guide In force · From the USPTO record | In force | From the USPTO record | |
| US 12,188,846 | Device to capture high resolution images of the undercarriage of a freight car In force · From the USPTO record | In force | From the USPTO record | |
| US 11,974,035 | Device to capture high resolution images of a train as it passes through an inspection portal In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 11: 1 patent in force now held by others. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.