E3TEC Service, LLC
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.
Recorded under 2 name spellings.
0
Ending by 2030
Jun 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 Jun 29, 2027The maintenance fee for Differential kinetic test unit (US 9,222,924) comes due Jun 29, 2027. Unpaid by Dec 29, 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 4 of 4
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,222,924 | Differential kinetic test unit In force · From the USPTO record | In force | From the USPTO record | |
| US 9,518,003 | Method of producing high-concentration alkyl carbonates using carbon dioxide as feedstock In force · From the USPTO record | In force | From the USPTO record | |
| US 10,941,105 | Method for direct conversion of carbon dioxide to dialkyl carbonates using ethylene oxide as feedstock In force · From the USPTO record | In force | From the USPTO record | |
| US 11,479,524 | System and method for synthesis of dialkyl carbonates using carbon dioxide reaction with methanol and ammonia In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 4: 1 patent in force now held by others · 1 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.