Liburdi Engineering Limited
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
0
Ending by 2030
May 2031
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.
- 2 fees due Feb 11 to 20, 2027 · next Feb 11
- 1 fee due Mar 17, 2027The maintenance fee for Welding material for welding of superalloys (US 10,414,003) comes due Mar 17, 2027. Unpaid by Sep 17, 2027, it lapses early.
- 1 fee due Jun 3, 2027The maintenance fee for Ductile boron bearing nickel based welding material (US 10,493,568) comes due Jun 3, 2027. Unpaid by Dec 3, 2027, it lapses early.
- 1 fee due Aug 27, 2027The maintenance fee for High gamma prime nickel based welding material (US 11,913,093) comes due Aug 27, 2027. Unpaid by Feb 28, 2028, it lapses early.
- 1 fee due Oct 26, 2027The maintenance fee for Method for manufacturing an abrasive coating on a gas turbine component (US 9,322,100) comes due Oct 26, 2027. Unpaid by Apr 26, 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 9,102,002 | Integrated automatic voltage control (AVC) and oscillation control assembly for orbital welding applications In force · From the USPTO record | In force | From the USPTO record | |
| US 9,322,100 | Method for manufacturing an abrasive coating on a gas turbine component In force · From the USPTO record | In force | From the USPTO record | |
| US 9,902,021 | Precipitation strengthened nickel based welding material for fusion welding of superalloys In force · From the USPTO record | In force | From the USPTO record | |
| US 10,493,568 | Ductile boron bearing nickel based welding material In force · From the USPTO record | In force | From the USPTO record | |
| US 10,414,003 | Welding material for welding of superalloys In force · From the USPTO record | In force | From the USPTO record | |
| US 10,702,953 | Composite welding wire and method of manufacturing In force · From the USPTO record | In force | From the USPTO record | |
| US 10,384,316 | Method of repairing and manufacturing of turbine engine components and turbine engine component repaired or manufactured using the same In force · From the USPTO record | In force | From the USPTO record | |
| US 10,828,714 | Arc welding system In force · From the USPTO record | In force | From the USPTO record | |
| US 11,180,840 | High gamma prime nickel based superalloy, its use, and method of manufacturing of turbine engine components In force · From the USPTO record | In force | From the USPTO record | |
| US 11,459,640 | High Gamma Prime Nickel Based Superalloy, Its Use, and Method of Manufacturing of Turbine Engine Components In force · High confidence | In force | High confidence |
Also on record, not counted in the 13: 13 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 · 6 no status recorded