Zilltek Technology Corp.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
0
Ending by 2030
Sep 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.
- 3 fees due Jan 2 to 11, 2027 · next Jan 2
- 2 fees due Apr 13 to 15, 2027 · next Apr 13
- 1 fee due May 19, 2027The maintenance fee for Photoelectric MEMS microphone and electronic device (US 10,484,799) comes due May 19, 2027. Unpaid by Nov 19, 2027, it lapses early.
- 3 fees due Jun 19 to 29, 2027 · next Jun 19
- 2 fees due Jul 21 to 28, 2027 · next Jul 21
- 1 fee due Oct 26, 2027The maintenance fee for Microphone with voice wake-up function (US 9,326,063) comes due Oct 26, 2027. Unpaid by Apr 26, 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 9,073,747 | MEMS microphone and electronic equipment having the MEMS microphone In force · From the USPTO record | In force | From the USPTO record | |
| US 9,161,112 | Single-wire programmable MEMS microphone, programming method and system thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 9,326,063 | Microphone with voice wake-up function In force · From the USPTO record | In force | From the USPTO record | |
| US 9,226,081 | Digital electret microphone and the connection structure thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 9,936,584 | Printed circuit board, waterproof microphone and production process thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 10,547,924 | Microphone structure and flip-type electronic device In force · From the USPTO record | In force | From the USPTO record | |
| US 10,341,769 | Sound amplification system integrated with back cavity pressure sensing and audio player In force · From the USPTO record | In force | From the USPTO record | |
| US 10,448,134 | Two-wire type microphone with ultrasonic identification In force · From the USPTO record | In force | From the USPTO record | |
| US 10,542,349 | Electronic device and microphone structure with enhanced back cavity In force · From the USPTO record | In force | From the USPTO record | |
| US 10,484,799 | Photoelectric MEMS microphone and electronic device 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.
2 no status recorded