RT-Filtertechnik GmbH
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Jun 2032
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 6, 2027The maintenance fee for Filter device and filter element (US 10,369,499) comes due Feb 6, 2027. Unpaid by Aug 6, 2027, it lapses early.
- 2 fees due Mar 10 to 24, 2027 · next Mar 10
- 2 fees due May 7 to 19, 2027 · next May 7
- 1 fee due Oct 14, 2027The maintenance fee for Filter device for fluids (US 10,617,981) comes due Oct 14, 2027. Unpaid by Apr 14, 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 RE49,220 | Filter element In force · From the USPTO record | In force | From the USPTO record | |
| US 10,478,759 | Filter element In force · From the USPTO record | In force | From the USPTO record | |
| US 10,213,709 | Filter Element and Hydraulic Circuit with Such a Filter Element In force · High confidence | In force | High confidence | |
| US 10,421,031 | Filter device In force · From the USPTO record | In force | From the USPTO record | |
| US 10,369,499 | Filter device and filter element In force · From the USPTO record | In force | From the USPTO record | |
| US 10,617,981 | Filter device for fluids In force · From the USPTO record | In force | From the USPTO record | |
| US 10,406,457 | Filter device In force · From the USPTO record | In force | From the USPTO record | |
| US 10,786,775 | Separating device In force · From the USPTO record | In force | From the USPTO record | |
| US 11,642,611 | Filter Element In force · Low confidence | In force | Low confidence | |
| US 11,806,644 | Filter device In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 14: 1 surrendered on reissue. 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.
2 pending · 1 no status recorded