Interwell Technology AS
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.
0
Ending by 2030
Jan 2033
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 Dec 4, 2026The maintenance fee for Releasable ratchet device (US 10,309,185) comes due Dec 4, 2026. Unpaid by Jun 4, 2027, it lapses early.
- 1 fee due Feb 6, 2027The maintenance fee for Well tool device comprising force distribution device (US 10,370,933) comes due Feb 6, 2027. Unpaid by Aug 6, 2027, it lapses early.
- 1 fee due Aug 18, 2027The maintenance fee for Anchor module, casing plug assembly and method for operating a casing plug assembly in a well pipe (US 10,563,471) comes due Aug 18, 2027. Unpaid by Feb 18, 2028, it lapses early.
- 2 fees due Sep 22 to 29, 2027 · next Sep 22
- 1 fee due Nov 12, 2027The maintenance fee for Supporting device for a sealing element in well plug (US 10,648,277) comes due Nov 12, 2027. Unpaid by May 12, 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,297,253 | Inductive connection In force · From the USPTO record | In force | From the USPTO record | |
| US 9,291,028 | Plugging device In force · From the USPTO record | In force | From the USPTO record | |
| US 9,464,498 | Extrusion preventing supporting device In force · From the USPTO record | In force | From the USPTO record | |
| US 9,562,413 | Plugging device In force · From the USPTO record | In force | From the USPTO record | |
| US 9,784,060 | Junk catching device In force · From the USPTO record | In force | From the USPTO record | |
| US 9,695,668 | Millable plugging device In force · From the USPTO record | In force | From the USPTO record | |
| US 9,945,205 | Plugging device In force · From the USPTO record | In force | From the USPTO record | |
| US 10,081,995 | Well tool comprising a plugging device and a junk catching device In force · From the USPTO record | In force | From the USPTO record | |
| US 10,370,933 | Well tool device comprising force distribution device In force · From the USPTO record | In force | From the USPTO record | |
| US 10,309,185 | Releasable ratchet device In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 13: 1 patent in force now held by others · 1 lapsed for an unpaid fee · 3 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