Probe Technology Services, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Mar 2029
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
No maintenance fee falls due on this company's record before Nov 14, 2027.
Recent changes
- 1 term has ended since Aug 16, 2026
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.
Showing 1 to 10 of 10
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,802,619 | Firing trigger apparatus and method for downhole tools In force · From the USPTO record | In force | From the USPTO record | |
| US 9,720,127 | Caliper tool with in-situ temperature compensation In force · From the USPTO record | In force | From the USPTO record | |
| US 10,087,738 | Electromagnetic casing inspection tool with azimuthal sensitivity In force · From the USPTO record | In force | From the USPTO record | |
| US 10,260,854 | Pulsed eddy current casing inspection tool In force · From the USPTO record | In force | From the USPTO record | |
| US 11,746,643 | Methods and Apparatus for Cement Bond Evaluation Through Production Tubing In force · Medium confidence | In force | Medium confidence | |
| US 11,091,999 | Methods and apparatus for cement bond evaluation through production tubing In force · From the USPTO record | In force | From the USPTO record | |
| US 11,021,950 | Production-logging sensor In force · From the USPTO record | In force | From the USPTO record | |
| US 11,561,113 | Novel Core-Position Sensor In force · High confidence | In force | High confidence | |
| US 12,276,183 | Perforating-gun initiator circuit In force · From the USPTO record | In force | From the USPTO record | |
| US 12,474,150 | Magnetic-key safety interlock system In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 10: 2 lapsed for an unpaid fee · 6 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.
3 no status recorded