Sunstar Inc.
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
9
Ending by 2030
Jul 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 11, 2026The maintenance fee for Oral cleaning device (US 10,314,676) comes due Dec 11, 2026. Unpaid by Jun 11, 2027, it lapses early.
- 2 fees due Jan 2 to 7, 2027 · next Jan 2
- 2 fees due May 3 to 17, 2027 · next May 3
- 1 fee due Jun 22, 2027The maintenance fee for Drug-containing personal hygiene implement (US 9,216,072) comes due Jun 22, 2027. Unpaid by Dec 22, 2027, it lapses early.
- 1 fee due Jul 19, 2027The maintenance fee for Retinol-modified collagen, method for producing same, and external composition for skin containing same (US 9,238,688) comes due Jul 19, 2027. Unpaid by Jan 19, 2028, it lapses early.
- 1 fee due Sep 30, 2027The maintenance fee for Anti-obesity composition (US 10,603,332) comes due Sep 30, 2027. Unpaid by Mar 31, 2028, it lapses early.
Recent changes
- 1 term has 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 7,694,378 | Interdental brush In force · From the USPTO record | In force | From the USPTO record | |
| US 8,918,944 | Interdental brush In force · From the USPTO record | In force | From the USPTO record | |
| US 8,507,452 | Hesperidin-containing composition In force · From the USPTO record | In force | From the USPTO record | |
| US 9,585,828 | Proteoglycan-containing material In force · From the USPTO record | In force | From the USPTO record | |
| US D765,988 | Interdental cleaning tool In force · From the USPTO record | In force | From the USPTO record | |
| US 8,734,764 | Composition for oral cavity In force · From the USPTO record | In force | From the USPTO record | |
| US 9,186,308 | Composition for oral cavity In force · From the USPTO record | In force | From the USPTO record | |
| US 8,726,448 | Core/sheath composite filament for toothbrushes, and toothbrush using same In force · From the USPTO record | In force | From the USPTO record | |
| US 10,020,719 | Linear actuator In force · From the USPTO record | In force | From the USPTO record | |
| US D778,056 | Electric toothbrush In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 30: 1 patent in force now held by others · 12 lapsed for an unpaid fee · 62 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.
4 pending · 2 abandoned · 26 no status recorded