Sonaca S.A.
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
Aug 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 Dec 6, 2026The maintenance fee for Ice protection and boundary layer suction system for an aircraft aerofoil (US 11,667,387) comes due Dec 6, 2026. Unpaid by Jun 7, 2027, it lapses early.
- 1 fee due Jan 9, 2027The maintenance fee for Hybrid airship with a flexible compartmented exterior envelope (US 10,343,760) comes due Jan 9, 2027. Unpaid by Jul 9, 2027, it lapses early.
Recent changes
- 2 terms have 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,731,128 | Mobile leading edge flap for a main wing of the aerofoils of an aircraft and main wing provided with such a flap In force · From the USPTO record | In force | From the USPTO record | |
| US 8,079,130 | Method for assembling sheets by riveting In force · From the USPTO record | In force | From the USPTO record | |
| US 8,533,932 | Device and process for assembly of panels using riveting In force · From the USPTO record | In force | From the USPTO record | |
| US 8,408,500 | Cable carrier chain for leading edge mobile slat for an aircraft wing In force · From the USPTO record | In force | From the USPTO record | |
| US 9,662,853 | Process for manufacturing a panel comprising at least one honeycomb body and a first skin made from a composite material In force · From the USPTO record | In force | From the USPTO record | |
| US 9,604,425 | Method for producing a leading edge skin by baking a stack incorporating heating elements and layers of pre-impregnated fibres In force · From the USPTO record | In force | From the USPTO record | |
| US 10,683,084 | System for dual management of anti-icing and boundary layer suction on an aerofoil of an aircraft, including a function of collecting the anti-icing air In force · From the USPTO record | In force | From the USPTO record | |
| US 10,793,253 | Aircraft wing comprising a movable flap and a housing for accommodating flexible piping In force · From the USPTO record | In force | From the USPTO record | |
| US 10,343,760 | Hybrid airship with a flexible compartmented exterior envelope In force · From the USPTO record | In force | From the USPTO record | |
| US 10,981,644 | Assembly for aircraft comprising a moveable bearing surface supported by a drive shaft passing through a slit provided with a seal with improved sealing efficiency In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 13: 2 lapsed for an unpaid fee · 4 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.
1 pending