Nano-C, Inc.
3 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
12
Ending by 2030
May 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.
- 2 fees due Jan 18 to 23, 2027 · next Jan 18
- 2 fees due Feb 6 to 20, 2027 · next Feb 6
- 1 fee due Mar 5, 2027The maintenance fee for Hard-mask composition (US 11,746,255) comes due Mar 5, 2027. Unpaid by Sep 7, 2027, it lapses early.
- 1 fee due Apr 8, 2027The maintenance fee for Hard-mask composition (US 10,438,808) comes due Apr 8, 2027. Unpaid by Oct 8, 2027, it lapses early.
- 2 fees due Jun 15 to 22, 2027 · next Jun 15
- 1 fee due Sep 29, 2027The maintenance fee for Solvent-Based and Water-Based Carbon Nanotube Inks with Removable Additives (US 9,296,912) comes due Sep 29, 2027. Unpaid by Mar 29, 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 8,697,988 | Organic photovoltaic devices comprising fullerenes and derivatives thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 8,894,887 | Organic photovoltaic devices comprising fullerenes and derivatives thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 7,825,161 | Higher Fullerenes Useful as Radical Scavengers In force · Medium confidence | In force | Medium confidence | |
| US 8,076,050 | Blends of fullerene derivatives, and uses thereof in electronic devices In force · From the USPTO record | In force | From the USPTO record | |
| US 8,435,713 | Blends of fullerene derivatives, and uses thereof in electronic devices In force · From the USPTO record | In force | From the USPTO record | |
| US 8,945,807 | Blends of Fullerene Derivatives, and Uses Thereof in Electronic Devices In force · Low confidence | In force | Low confidence | |
| US 9,472,765 | Organic photovoltaic devices comprising fullerenes and derivatives thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 8,883,113 | Direct liquid-phase collection and processing of fullerenic materials In force · High confidence | In force | High confidence | |
| US 8,815,124 | Organic Photovoltaic Devices Comprising Fullerenes and Derivatives Thereof In force · High confidence | In force | High confidence | |
| US 8,217,260 | Organic Photovoltaic Devices Comprising Fullerenes and Derivatives Thereof In force · High confidence | In force | High confidence |
Also on record, not counted in the 36: 3 patents in force now held by others · 8 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 · 2 abandoned · 3 no status recorded