Silicon Microgravity Limited

10 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Aug 2032

Next term end

When these terms end

5 yrs10 yrs20 yrs

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.

2 fees due Aug 16 to 27, 2027 · next Aug 16
1 fee due Oct 12, 2027
The maintenance fee for Dual and Triple Axis Inertial Sensors and Methods of Inertial Sensing (US 9,310,391) comes due Oct 12, 2027. Unpaid by Apr 12, 2028, it lapses early.

Which patents, and when each one lapses · Pro

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 10 of 10

Patent	Title	Status	Expires	Confidence
US 9,261,525	MEMS Inertial Sensor and Method of Inertial Sensing In force Term ends Aug 29, 2032 · High confidence	In force	Term ends Aug 29, 2032	High confidence
US 9,551,576	MEMS Inertial Sensor and Method of Inertial Sensing In force Term ends Mar 18, 2033 · High confidence	In force	Term ends Mar 18, 2033	High confidence
US 9,310,391	Dual and Triple Axis Inertial Sensors and Methods of Inertial Sensing In force Term ends Sep 4, 2033 · High confidence	In force	Term ends Sep 4, 2033	High confidence
US 11,181,372	Gravimeter or Inertial Sensor System Using a Resonant Sensor and Method of Operating a Gravimeter or Inertial Sensor System In force Term ends Jun 15, 2038 · High confidence	In force	Term ends Jun 15, 2038	High confidence
US 11,340,253	High Performance Micro-Electro-Mechanical Systems Accelerometer with Electrostatic Control of Proof Mass In force Term ends Sep 24, 2038 · High confidence	In force	Term ends Sep 24, 2038	High confidence
US 11,614,463	High Performance Micro-Electro-Mechanical Systems Accelerometer In force Term ends Oct 10, 2038 · High confidence	In force	Term ends Oct 10, 2038	High confidence
US 11,604,207	High Performance Micro-Electro-Mechanical Systems Accelerometer with Suspended Sensor Arrangement In force Term ends Apr 19, 2039 · High confidence	In force	Term ends Apr 19, 2039	High confidence
US 11,441,902	A Method of Optimising the Performance of a MEMS Rate Gyroscope In force Term ends Jun 25, 2039 · High confidence	In force	Term ends Jun 25, 2039	High confidence
US 11,913,808	Inertial Sensor and Method of Inertial Sensing with Tuneable Mode Coupling Strength In force Term ends Feb 23, 2041 · High confidence	In force	Term ends Feb 23, 2041	High confidence
US 12,698,967	Inertial Sensor with Flexure Arrangement and Method In force Term ends Aug 2, 2043 · High confidence	In force	Term ends Aug 2, 2043	High confidence

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.

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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.

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