Ertec Environmental Systems LLC
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Aug 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 Jan 2, 2027The maintenance fee for Filter and barrier (US 10,335,724) comes due Jan 2, 2027. Unpaid by Jul 2, 2027, it lapses early.
- 1 fee due Feb 15, 2027The maintenance fee for Barriers and filters (US 11,724,224) comes due Feb 15, 2027. Unpaid by Aug 16, 2027, it lapses early.
- 1 fee due Sep 3, 2027The maintenance fee for Drain protection (US 10,576,400) comes due Sep 3, 2027. Unpaid by Mar 3, 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.
Showing 1 to 9 of 9
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,955,030 | Controlling sediment In force · From the USPTO record | In force | From the USPTO record | |
| US 8,402,630 | Barrier fence In force · From the USPTO record | In force | From the USPTO record | |
| US 9,816,239 | Fence footing In force · From the USPTO record | In force | From the USPTO record | |
| US 11,724,224 | Barriers and filters In force · From the USPTO record | In force | From the USPTO record | |
| US 10,576,400 | Drain protection In force · From the USPTO record | In force | From the USPTO record | |
| US 10,335,724 | Filter and barrier In force · From the USPTO record | In force | From the USPTO record | |
| US 10,864,466 | Drain protection In force · From the USPTO record | In force | From the USPTO record | |
| US 10,905,090 | Devices for controlling the movement of small animals through fences In force · From the USPTO record | In force | From the USPTO record | |
| US 7,544,016 | Sediment control In force Term ended Oct 18, 2026 · From the USPTO record | In force | Term ended Oct 18, 2026 | From the USPTO record |
Also on record, not counted in the 9: 2 lapsed for an unpaid fee · 4 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 no status recorded