Sanko Co., Ltd.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
3
Ending by 2030
Mar 2030
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 Feb 11, 2027The maintenance fee for Phosphorus-based (meth)acrylate compound and method of preparing the same (US 9,102,696) comes due Feb 11, 2027. Unpaid by Aug 11, 2027, it lapses early.
- 1 fee due Jul 26, 2027The maintenance fee for Box pallet side wall (US 9,242,761) comes due Jul 26, 2027. Unpaid by Jan 26, 2028, it lapses early.
- 1 fee due Oct 2, 2027The maintenance fee for N,N′-diarylurea derivative, manufacturing method thereof, and thermosensitive recording material using same (US 11,945,769) comes due Oct 2, 2027. Unpaid by Apr 3, 2028, it lapses early.
Recent changes
- 1 term has 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,079,486 | Folding container In force · From the USPTO record | In force | From the USPTO record | |
| US 8,201,701 | Folding container In force · From the USPTO record | In force | From the USPTO record | |
| US 8,167,158 | Folding container In force · From the USPTO record | In force | From the USPTO record | |
| US 8,851,288 | Collapsible container In force · From the USPTO record | In force | From the USPTO record | |
| US 8,794,464 | Assemblable and disassemblable container In force · From the USPTO record | In force | From the USPTO record | |
| US 9,242,761 | Box pallet side wall In force · From the USPTO record | In force | From the USPTO record | |
| US 9,102,696 | Phosphorus-based (meth)acrylate compound and method of preparing the same In force · From the USPTO record | In force | From the USPTO record | |
| US 9,371,438 | High melting point flame retardant crystal and method for manufacturing the same, epoxy resin composition containing the flame retardant, and prepreg and flame retardant laminate using the composition In force · From the USPTO record | In force | From the USPTO record | |
| US 9,586,720 | Pallet structure In force · From the USPTO record | In force | From the USPTO record | |
| US 9,375,966 | Sensitizer particle dispersion for thermosensitive recording medium composed mainly of stearic acid amide, preparation method thereof, mixed dispersion composition for thermosensitive recording layer, and thermosensitive recording medium In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 17: 10 lapsed for an unpaid fee · 11 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.
2 pending · 3 no status recorded