Sontex AG
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Nov 2038
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 20, 2026The maintenance fee for Ultrasonic transducer, method for assembling same and flowmeter comprising at least one such transducer (US 11,679,414) comes due Dec 20, 2026. Unpaid by Jun 21, 2027, it lapses early.
Recent changes
- 1 of the patents on this record was granted 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 4 of 4
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 11,679,414 | Ultrasonic transducer, method for assembling same and flowmeter comprising at least one such transducer In force · From the USPTO record | In force | From the USPTO record | |
| US 12,698,995 | Method for measuring the flow rate of a fluid in a pipe In force · High confidence | In force | High confidence | |
| US 12,372,385 | Flow meter and assembly method therefor In force · From the USPTO record | In force | From the USPTO record | |
| US 12,710,300 | Method for measuring the flow rate of a fluid in a pipe In force · High confidence | In force | High confidence |
Also on record, not counted in the 4: 1 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.