Ensco, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
3
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 Nov 23, 2026The maintenance fee for Position and orientation tracking system, apparatus and method (US 11,656,316) comes due Nov 23, 2026. Unpaid by May 24, 2027, it lapses early.
- 1 fee due Jan 28, 2027The maintenance fee for System and method for tracking and locating a person, animal, or machine (US 9,091,549) comes due Jan 28, 2027. Unpaid by Jul 28, 2027, it lapses early.
- 1 fee due Mar 22, 2027The maintenance fee for System and method for tracking and locating a person, animal, or machine (US 9,140,557) comes due Mar 22, 2027. Unpaid by Sep 22, 2027, it lapses early.
- 4 fees due Apr 3 to 30, 2027 · next Apr 3
- 1 fee due Jul 16, 2027The maintenance fee for Broken wheel detection on railroad trains (US 11,873,016) comes due Jul 16, 2027. Unpaid by Jan 18, 2028, it lapses early.
- 1 fee due Aug 27, 2027The maintenance fee for Systems and methods for visualizing and analyzing a rail surface (US 11,912,320) comes due Aug 27, 2027. Unpaid by Feb 28, 2028, it lapses early.
- 1 fee due Sep 26, 2027The maintenance fee for Systems and methods for inspecting a railroad (US 11,938,982) comes due Sep 26, 2027. Unpaid by Mar 27, 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 7,755,660 | Video inspection system for inspection of rail components and method thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 8,199,047 | High-precision radio frequency ranging system In force (reinstated) · From the USPTO record | In force (reinstated) | From the USPTO record | |
| US 8,314,731 | High-precision radio frequency ranging system In force (reinstated) · From the USPTO record | In force (reinstated) | From the USPTO record | |
| US 8,224,575 | Method and computer-readable storage medium with instructions for processing data in an internal navigation system In force (reinstated) · From the USPTO record | In force (reinstated) | From the USPTO record | |
| US 8,334,801 | System and method for real-time locating In force (reinstated) · From the USPTO record | In force (reinstated) | From the USPTO record | |
| US 8,862,394 | System and method for tracking and locating a person, animal, or machine In force · From the USPTO record | In force | From the USPTO record | |
| US 9,091,549 | System and method for tracking and locating a person, animal, or machine In force · From the USPTO record | In force | From the USPTO record | |
| US 9,140,557 | System and method for tracking and locating a person, animal, or machine In force · From the USPTO record | In force | From the USPTO record | |
| US 10,094,908 | Geolocation with radio-frequency ranging In force · From the USPTO record | In force | From the USPTO record | |
| US 11,805,282 | Television with Interactive Portal and System and Method for Use of Same In force · High confidence | In force | High confidence |
Also on record, not counted in the 29: 7 lapsed for an unpaid fee · 38 ended at full term. 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.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
12 no status recorded