Suratech, LLC
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Previously recorded as Jefferson Science Associates, LLC (to 2026)
3
Ending by 2030
Nov 2028
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 Jun 8, 2027The maintenance fee for Absorber for Terahertz Radiation Management (US 9,209,587) comes due Jun 8, 2027. Unpaid by Dec 8, 2027, 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.
Showing 1 to 7 of 7
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,884,331 | Compact and Mobile High Resolution Pet Brain Imager In force · High confidence | In force | High confidence | |
| US 8,679,300 | Integrated Rig for the Production of Boron Nitride Nanotubes via the Pressurized Vapor-Condenser Method In force · Low confidence | In force | Low confidence | |
| US 8,128,765 | Large Grain Cavities from Pure Niobium Ingot In force · High confidence | In force | High confidence | |
| US 8,664,630 | Thermal Neutron Shield and Method of Manufacture In force · Medium confidence | In force | Medium confidence | |
| US 9,209,587 | Absorber for Terahertz Radiation Management In force (reinstated) · High confidence | In force (reinstated) | High confidence | |
| US 10,236,090 | Synthesizing Radioisotopes Using an Energy Recovery Linac In force · High confidence | In force | High confidence | |
| US 10,932,355 | High-Current Conduction Cooled Superconducting Radio-Frequency Cryomodule In force · High confidence | In force | High confidence |
Also on record, not counted in the 7: 1 lapsed for an unpaid fee · 2 ended at full term · 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.