Epic Lift Systems
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Sep 2030
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 Apr 24, 2027The maintenance fee for Gas-lift system with paired controllers (US 11,795,794) comes due Apr 24, 2027. Unpaid by Oct 25, 2027, it lapses early.
- 1 fee due Jun 26, 2027The maintenance fee for Annular flow lubricator method and apparatus (US 11,851,980) comes due Jun 26, 2027. Unpaid by Dec 27, 2027, it lapses early.
- 2 fees due Jul 28, 2027
- 1 fee due Oct 7, 2027The maintenance fee for Bypass assembly for production packer (US 10,612,341) comes due Oct 7, 2027. Unpaid by Apr 7, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 17, 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US D767,737 | Gas lift plunger with curved, undercut grooves In force · From the USPTO record | In force | From the USPTO record | |
| US 9,689,242 | Dart plunger In force (reinstated) · From the USPTO record | In force (reinstated) | From the USPTO record | |
| US 9,790,772 | Plunger lift apparatus In force (reinstated) · From the USPTO record | In force (reinstated) | From the USPTO record | |
| US 9,068,443 | Plunger lift apparatus In force · From the USPTO record | In force | From the USPTO record | |
| US 9,109,424 | Gas Lift Plunger In force · High confidence | In force | High confidence | |
| US 9,932,805 | Pad-type plunger In force · From the USPTO record | In force | From the USPTO record | |
| US 9,683,430 | Gas-lift plunger In force (reinstated) · From the USPTO record | In force (reinstated) | From the USPTO record | |
| US 11,448,048 | Recycle loop for a gas lift plunger In force · From the USPTO record | In force | From the USPTO record | |
| US 10,544,659 | Recycle loop for a gas lift plunger In force · From the USPTO record | In force | From the USPTO record | |
| US 10,544,660 | Recycle loop for a gas lift plunger In force · From the USPTO record | In force | From the USPTO record |
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.
5 pending · 2 no status recorded