Celluforce Inc.
2 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.
0
Ending by 2030
May 2034
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 Sep 12, 2027The maintenance fee for Preparation of solvent and polymer redispersible formulations of dried cellulose nanocrystals (CNC) (US 11,926,714) comes due Sep 12, 2027. Unpaid by Mar 13, 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.
Showing 1 to 5 of 5
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,796,849 | Polyurethane composites comprising nanocrystalline cellulose and method for improving properties of polyurethanes thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 11,059,943 | Conductive cellulose nanocrystals, method of producing same and uses thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 10,676,846 | Processes for preparing amine-functionalized cellulose nanocrystals and nitrogen doped carbon nanofibers In force · From the USPTO record | In force | From the USPTO record | |
| US 12,139,586 | Dispersion of cellulose nanocrystals (CNCs) in monoethylene glycol and process of preparing same In force · From the USPTO record | In force | From the USPTO record | |
| US 11,926,714 | Preparation of solvent and polymer redispersible formulations of dried cellulose nanocrystals (CNC) In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 5: 2 patents in force now held by others · 2 lapsed for an unpaid fee. 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.
8 no status recorded