Ichor Systems, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Aug 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 Dec 20, 2026The maintenance fee for Fluid Control System (US 11,682,565) comes due Dec 20, 2026. Unpaid by Jun 21, 2027, it lapses early.
- 1 fee due Jan 11, 2027The maintenance fee for Seal Retainer for a Component Assembly and Method of Installing a Component into an Apparatus for Controlling Flow (US 11,698,134) comes due Jan 11, 2027. Unpaid by Jul 12, 2027, it lapses early.
- 3 fees due May 7 to 17, 2027 · next May 7
- 1 fee due Jun 12, 2027The maintenance fee for Laminar Flow Restrictor and Seal for Same (US 11,841,036) comes due Jun 12, 2027. Unpaid by Dec 13, 2027, it lapses early.
- 1 fee due Aug 13, 2027The maintenance fee for Fluid Flow Control System Comprising a Manifold Assembly (US 11,899,477) comes due Aug 13, 2027. Unpaid by Feb 14, 2028, it lapses early.
Recent changes
- 2 of the patents on this record were 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,958,302 | Flow Control System, Method, and Apparatus In force · Medium confidence | In force | Medium confidence | |
| US 8,770,215 | Low Flow Injector to Deliver a Low Flow of Gas to a Remote Location In force · High confidence | In force | High confidence | |
| US 10,782,165 | Flow Control System, Method, and Apparatus In force · Medium confidence | In force | Medium confidence | |
| US 9,188,989 | Flow Node to Deliver Process Gas Using a Remote Pressure Measurement Device In force · High confidence | In force | High confidence | |
| US 12,228,435 | Flow Control System, Method, and Apparatus In force · Medium confidence | In force | Medium confidence | |
| US 9,448,564 | Gas Delivery System for Outputting Fast Square Waves of Process Gas During Semiconductor Processing In force · High confidence | In force | High confidence | |
| US 9,690,301 | Pressure Based Mass Flow Controller In force · High confidence | In force | High confidence | |
| US 11,003,198 | Controlled Delivery of Process Gas Using a Remote Pressure Measurement Device In force · High confidence | In force | High confidence | |
| US 11,094,563 | Fluid Control System In force · Medium confidence | In force | Medium confidence | |
| US 11,682,565 | Fluid Control System In force · Medium confidence | In force | Medium confidence |
Also on record, not counted in the 41: 3 lapsed for an unpaid fee · 16 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
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.
10 pending