Particle Measuring Systems, Inc.
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
10
Ending by 2030
Aug 2027
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 Jan 9, 2027The maintenance fee for Microbial Air Sampler Integrating Media Plate and Sample Collection Device (US 10,345,200) comes due Jan 9, 2027. Unpaid by Jul 9, 2027, it lapses early.
- 1 fee due Feb 6, 2027The maintenance fee for Automatic Power Control Liquid Particle Counter with Flow and Bubble Detection Systems (US 10,371,620) comes due Feb 6, 2027. Unpaid by Aug 6, 2027, it lapses early.
- 1 fee due Apr 10, 2027The maintenance fee for System and Method for Particles Measurement (US 11,781,965) comes due Apr 10, 2027. Unpaid by Oct 12, 2027, it lapses early.
- 1 fee due Aug 6, 2027The maintenance fee for Robotic Control for Aseptic Processing (US 11,892,462) comes due Aug 6, 2027. Unpaid by Feb 7, 2028, it lapses early.
- 1 fee due Sep 12, 2027The maintenance fee for Particle Sampling Systems and Methods for Robotic Controlled Manufacturing Barrier Systems (US 11,927,509) comes due Sep 12, 2027. Unpaid by Mar 13, 2028, it lapses early.
- 1 fee due Oct 2, 2027The maintenance fee for Particle Detection Systems and Methods for On-Axis Particle Detection And/Or Differential Detection (US 11,946,852) comes due Oct 2, 2027. Unpaid by Apr 3, 2028, it lapses early.
Recent changes
- 1 term has ended since Aug 17, 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 8,109,129 | Portable nanoparticle size classifier In force · From the USPTO record | In force | From the USPTO record | |
| US 8,027,035 | Non-Orthogonal Particle Detection Systems and Methods In force · Medium confidence | In force | Medium confidence | |
| US 8,174,697 | Non-Orthogonal Particle Detection Systems and Methods In force · Medium confidence | In force | Medium confidence | |
| US 8,427,642 | Two-Dimensional Optical Imaging Methods and Systems for Particle Detection In force · High confidence | In force | High confidence | |
| US 7,796,255 | Optical Particle Sensor with Exhaust-Cooled Optical Source In force · High confidence | In force | High confidence | |
| US 7,973,929 | System and Method for Calibration Verification of an Optical Particle Counter In force · High confidence | In force | High confidence | |
| US 7,985,949 | Detection of Analytes Using Ion Mobility Spectrometry In force · High confidence | In force | High confidence | |
| US 7,916,293 | Non-Orthogonal Particle Detection Systems and Methods In force · High confidence | In force | High confidence | |
| US 10,792,694 | Condensation Apparatus In force · High confidence | In force | High confidence | |
| US 8,154,724 | Two-Dimensional Optical Imaging Methods and Systems for Particle Detection In force · High confidence | In force | High confidence |
Also on record, not counted in the 54: 1 patent in force now held by others · 2 lapsed for an unpaid fee · 40 ended at full term · 1 past the fee grace period · 1 surrendered on reissue. 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.
5 pending · 10 abandoned