Affinity Graphite Ltd.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Previously recorded as 0908905 B.C. Ltd. (to 2026)
0
Ending by 2030
Dec 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 Feb 28, 2027The maintenance fee for Apparatus and Methods for Processing Exfoliated Graphite Materials (US 11,742,257) comes due Feb 28, 2027. Unpaid by Aug 30, 2027, 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 6 of 6
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,706,684 | Exfoliated Graphite Materials and Composite Materials and Devices for Thermal Management In force · High confidence | In force | High confidence | |
| US 10,186,472 | Apparatus and Methods for Processing Exfoliated Graphite Materials In force · High confidence | In force | High confidence | |
| US 10,194,561 | Exfoliated Graphite Materials and Composite Materials and Devices for Thermal Management In force · High confidence | In force | High confidence | |
| US 9,700,968 | Apparatus and Methods for Processing Exfoliated Graphite Materials In force · High confidence | In force | High confidence | |
| US 11,570,933 | Exfoliated Graphite Materials and Composite Materials and Devices for Thermal Management In force · High confidence | In force | High confidence | |
| US 11,742,257 | Apparatus and Methods for Processing Exfoliated Graphite Materials In force · High confidence | In force | High confidence |
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.