Term ends Jun 23, 2036 · Low confidence
20-year base term ends Nov 6, 2035
Grace period ended Oct 30, 2026 · no payment on record as of the Nov 10, 2026 fee file · lapse expected
Held by Daniel Opco, LLC
Filed Nov 6, 2015 as application 14/934,308 · Granted Oct 30, 2018
Base term plus 230 days of patent term adjustment (USPTO delay)
Today
2015
2036
Clock starts
Nov 6, 2015
Nov 6, 2015
Term ends
Jun 23, 2036
Jun 23, 2036
Granted
Oct 30, 2018
Oct 30, 2018
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
230
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
This patent's term runs 230 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. Confidence: Low: the grace period for its second maintenance fee ended Oct 30, 2026 with no payment on record. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Nov 6, 2015, when this application, 14/934,308, was filed | Nov 6, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +230 days, USPTO patent term adjustment record | Jun 23, 2036 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | No fee event states this; the fee state is read from the payments the fee record holds; the fee record shows no payment for this window, and USPTO's status still reads "Patented Case"; the grace period ended with no payment on record in the fee file | grace period ended Oct 30, 2026 | Low confidence |
| Computed term end | The steps above, in order | Jun 23, 2036 | Low confidence |
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Nov 6, 2015 Reel 36976, frame 361 | Knoll, Fred | Daniel Measurement and Control, Inc. | Assignment of Assignor's Interest |
| Sep 26, 2021 Reel 57600, frame 588 | Daniel Opco, LLC | Cadence Bank, N.a. | Security Interest |
| Nov 18, 2021 Reel 58158, frame 40 | Daniel Measurement and Control, LLC | Micro Motion, Inc. | Assignment of Assignor's Interest |
| Nov 18, 2021 Reel 58158, frame 80 | Micro Motion, Inc. | Daniel Opco, LLC | Assignment of Assignor's Interest |
| Nov 18, 2021 Reel 58189, frame 991 | Daniel Measurement and Control, Inc. | Daniel Measurement and Control, LLC | Conversion from a Corporation to a Limited Liability Company |
| Sep 17, 2025 Reel 72289, frame 670 | Cadence Bank | Daniel Opco, LLC | Release of Security Interest |
| Oct 3, 2025 Reel 72459, frame 47 | Cadence Bank | Daniel Opco, LLC | Release of Security Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
What's changing
Oct 30
Grace period ended Oct 30, 2026 with no payment on record. The term ends early once USPTO posts the lapse
Jun 2036
Term ends Jun 23, 2036.
Note
The 230 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2018 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.