Mostar Directional Technologies Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
4
Ending by 2030
Jan 2027
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 Oct 12, 2027The maintenance fee for Adjustable mud motor housing assembly (US 9,309,721) comes due Oct 12, 2027. Unpaid by Apr 12, 2028, it lapses early.
Recent changes
- 4 terms have ended since Aug 17, 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 9 of 9
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,450,858 | Gap sub assembly for a downhole telemetry system In force · From the USPTO record | In force | From the USPTO record | |
| US 9,482,085 | System and method for downhole telemetry In force · From the USPTO record | In force | From the USPTO record | |
| US 7,573,397 | System and method for downhole telemetry In force · From the USPTO record | In force | From the USPTO record | |
| US 8,154,420 | System and method for downhole telemetry In force · From the USPTO record | In force | From the USPTO record | |
| US 9,309,721 | Adjustable mud motor housing assembly In force · From the USPTO record | In force | From the USPTO record | |
| US 8,547,245 | System and method for downhole telemetry In force Ended no later than Oct 3, 2026 · From the USPTO record | In force | Ended no later than Oct 3, 2026 | From the USPTO record |
| US 8,749,399 | System and method for downhole telemetry In force Term ended Oct 3, 2026 · From the USPTO record | In force | Term ended Oct 3, 2026 | From the USPTO record |
| US 9,957,795 | Dual telemetry receiver for a measurement while drilling (MWD) system In force Term ended Oct 3, 2026 · From the USPTO record | In force | Term ended Oct 3, 2026 | From the USPTO record |
| US 9,995,135 | System and method for controlling a dual telemetry measurement while drilling (MWD) tool In force Term ended Oct 3, 2026 · From the USPTO record | In force | Term ended Oct 3, 2026 | From the USPTO record |
Also on record, not counted in the 9: 1 lapsed for an unpaid fee. 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.
1 no status recorded