Morgan Schaffer Ltd.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Jan 2038
Next term end
When these terms end
Held patents by the year their term ends
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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 30, 2027The maintenance fee for Apparatus and method for performing dissolved gas analysis on a piece of electrical equipment using resonant photo-acoustic spectroscopy and use thereof (US 10,365,209) comes due Jan 30, 2027. Unpaid by Jul 30, 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 5 of 5
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,365,209 | Apparatus and method for performing dissolved gas analysis on a piece of electrical equipment using resonant photo-acoustic spectroscopy and use thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 11,592,434 | Apparatus and Method for Performing Gas Analysis Using Optical Absorption Spectroscopy, Such as Infrared (IR) And/Or Uv, and Use Thereof in Apparatus and Method for Performing Dissolved Gas Analysis (DGA) on a Piece of Electrical Equipment In force · Low confidence | In force | Low confidence | |
| US 11,137,382 | Apparatus and method for performing gas analysis using optical absorption spectroscopy, such as infrared (IR) and/or UV, and use thereof in apparatus and method for performing dissolved gas analysis (DGA) on a piece of electrical equipment In force · From the USPTO record | In force | From the USPTO record | |
| US 11,280,724 | Apparatus and method for performing calibration of a dissolved gas analysis system using optical absorption spectroscopy and use thereof in an apparatus and method for performing dissolved gas analysis (DGA) on a piece of electrical equipment In force · From the USPTO record | In force | From the USPTO record | |
| US 12,504,419 | Apparatus, systems and method for monitoring a piece of electrical equipment In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 5: 1 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
Every application published under this name has become a patent.