Switching Power, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Jul 2028
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
No maintenance fee falls due on this company's record before Nov 15, 2027.
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.
Showing 1 to 4 of 4
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,839,664 | AC to DC power supply having zero frequency harmonic contents in 3-phase power-factor-corrected output ripple In force · From the USPTO record | In force | From the USPTO record | |
| US 8,665,618 | Passive three phase input current harmonic reduction and power factor correction circuit for power supplies In force · From the USPTO record | In force | From the USPTO record | |
| US 9,660,538 | Digital closed-loop control for DC/DC switch-mode power converters with multiple outputs In force · From the USPTO record | In force | From the USPTO record | |
| US 9,866,103 | Magnetic capacitive current limit circuit for transformers In force · From the USPTO record | In force | From the USPTO record |
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.
Published applications
Every application published under this name has become a patent.