Physical Sciences, Inc.
7 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
2
Ending by 2030
Apr 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 21, 2027The maintenance fee for Silicon Whisker and Carbon Nanofiber Composite Anode (US 9,088,048) comes due Jan 21, 2027. Unpaid by Jul 21, 2027, it lapses early.
- 1 fee due Feb 18, 2027The maintenance fee for Microgravity fabrication and metalization of large, lightweight polymeric bubbles and films for space system applications (US 9,108,370) comes due Feb 18, 2027. Unpaid by Aug 18, 2027, it lapses early.
- 1 fee due Jun 17, 2027The maintenance fee for Conductive Coatings for Active Electrochemical Materials (US 10,511,018) comes due Jun 17, 2027. Unpaid by Dec 17, 2027, it lapses early.
- 1 fee due Jul 16, 2027The maintenance fee for Passive and Active Diamond-Based Electron Emitters and Ionizers (US 11,875,964) comes due Jul 16, 2027. Unpaid by Jan 18, 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 8,444,268 | Stabilized retinal imaging with adaptive optics In force · From the USPTO record | In force | From the USPTO record | |
| US 8,201,943 | Adaptive optics line scanning ophthalmoscope In force · From the USPTO record | In force | From the USPTO record | |
| US 9,546,101 | Electrolytic system and method for filtering an aqueous particulate suspension In force · From the USPTO record | In force | From the USPTO record | |
| US 8,696,122 | Multi-functional adaptive optics retinal imaging In force · From the USPTO record | In force | From the USPTO record | |
| US 8,911,144 | Optical Coherence Tomography (OCT) Freeze Drying Microscopy In force · High confidence | In force | High confidence | |
| US 8,968,688 | Recovery of Rare Earth Elements and Compounds from Coal Ash In force · High confidence | In force | High confidence | |
| US 9,088,048 | Silicon Whisker and Carbon Nanofiber Composite Anode In force · High confidence | In force | High confidence | |
| US 9,394,586 | Recovery of rare earth elements and compounds from coal ash In force · From the USPTO record | In force | From the USPTO record | |
| US 9,108,370 | Microgravity fabrication and metalization of large, lightweight polymeric bubbles and films for space system applications In force · From the USPTO record | In force | From the USPTO record | |
| US 9,797,798 | Systems and Methods for Sensitive Open-Path Gas Leak and Detection Alarm In force · High confidence | In force | High confidence |
Also on record, not counted in the 19: 7 patents in force now held by others · 35 lapsed for an unpaid fee · 40 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.
1 pending · 8 abandoned · 13 no status recorded