Spectrohm, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Apr 2039
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 Jul 28, 2027The maintenance fee for Tomographic systems and methods for determining characteristics of inhomogenous specimens using guided electromagnetic fields (US 10,542,906) comes due Jul 28, 2027. Unpaid by Jan 28, 2028, it lapses early.
- 1 fee due Sep 12, 2027The maintenance fee for Tomographic systems for determining characteristics of inhomogeneous specimens using guided electromagnetic fields (US 11,925,448) comes due Sep 12, 2027. Unpaid by Mar 13, 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.
Showing 1 to 5 of 5
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,542,906 | Tomographic systems and methods for determining characteristics of inhomogenous specimens using guided electromagnetic fields In force · From the USPTO record | In force | From the USPTO record | |
| US 12,310,712 | Tomographic systems for spatial and temporal control of an electromagnetic field to image a specimen having regions of different dielectric constants In force · From the USPTO record | In force | From the USPTO record | |
| US 11,925,448 | Tomographic systems for determining characteristics of inhomogeneous specimens using guided electromagnetic fields In force · From the USPTO record | In force | From the USPTO record | |
| US 12,228,535 | Methods for determining regional impedance characteristics of inhomogenous specimens using guided electromagnetic fields In force · From the USPTO record | In force | From the USPTO record | |
| US 12,650,391 | Gravity-Fed Tomography System In force · High confidence | In force | 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.
Published applications
Every application published under this name has become a patent.