Montabert
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
2
Ending by 2030
Jun 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 Jan 11, 2027The maintenance fee for Hydraulic rotary-percussive hammer drill provided with a stop piston (US 11,697,197) comes due Jan 11, 2027. Unpaid by Jul 12, 2027, it lapses early.
- 1 fee due Feb 15, 2027The maintenance fee for Rotary-percussive hydraulic perforator provided with a control chamber permanently connected to a low-pressure accumulator (US 11,724,379) comes due Feb 15, 2027. Unpaid by Aug 16, 2027, it lapses early.
- 1 fee due May 24, 2027The maintenance fee for Hydraulic rotary percussive device intended to drill boreholes (US 9,194,182) comes due May 24, 2027. Unpaid by Nov 24, 2027, it lapses early.
- 1 fee due Jul 9, 2027The maintenance fee for Rotary Percussive Hydraulic Drill Provided with a Shank Equipped with Coupling Splines (US 11,866,997) comes due Jul 9, 2027. Unpaid by Jan 10, 2028, it lapses early.
- 1 fee due Aug 25, 2027The maintenance fee for Percussion apparatus (US 10,569,404) comes due Aug 25, 2027. Unpaid by Feb 25, 2028, it lapses early.
- 1 fee due Sep 26, 2027The maintenance fee for Hydraulic Rotary-Percussive Hammer Drill (US 11,938,606) 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 8,413,741 | Hydraulic rotary percussive device of the drill type In force · From the USPTO record | In force | From the USPTO record | |
| US 8,151,900 | Percussion equipment driven by a pressurized incompressible fluid In force · From the USPTO record | In force | From the USPTO record | |
| US 9,194,182 | Hydraulic rotary percussive device intended to drill boreholes In force · From the USPTO record | In force | From the USPTO record | |
| US 10,052,748 | Sealing device for a hydraulic percussion apparatus, and hydraulic percussion apparatus comprising such a sealing device In force · From the USPTO record | In force | From the USPTO record | |
| US 10,569,404 | Percussion apparatus In force · From the USPTO record | In force | From the USPTO record | |
| US 11,383,368 | Percussion apparatus provided with a centering device In force · From the USPTO record | In force | From the USPTO record | |
| US 11,724,379 | Rotary-percussive hydraulic perforator provided with a control chamber permanently connected to a low-pressure accumulator In force · From the USPTO record | In force | From the USPTO record | |
| US 11,866,997 | Rotary Percussive Hydraulic Drill Provided with a Shank Equipped with Coupling Splines In force · High confidence | In force | High confidence | |
| US 11,697,197 | Hydraulic rotary-percussive hammer drill provided with a stop piston In force · From the USPTO record | In force | From the USPTO record | |
| US 11,999,039 | Rotary-percussive hydraulic perforator provided with a stop piston and a braking chamber In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 12: 8 lapsed for an unpaid fee · 1 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.
6 no status recorded