Term ended Feb 10, 2026 · High confidence
20-year base term ended Feb 18, 2024
Held by Fisher-Rosemount Systems, Inc.
Filed Feb 18, 2004 as application 10/781,372 · Granted Jun 19, 2007
Base term plus 723 days of patent term adjustment (USPTO delay)
Today
Term ended Feb 10, 2026
2004
2026
Clock starts
Feb 18, 2004
Feb 18, 2004
Term ended
Feb 10, 2026
Feb 10, 2026
Granted
Jun 19, 2007
Jun 19, 2007
base term
patent term adjustment
after the term ends
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
723
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
90
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 723 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. Confidence: High. 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 Feb 18, 2004, when this application, 10/781,372, was filed | Feb 18, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +723 days, USPTO patent term adjustment record | Feb 10, 2026 | 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 | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Feb 10, 2026 | High confidence |
This family
| US 7,234,084 | this patent Feb 2026 | Feb 2026 |
| Application PCT/US2005/004620 | PCT application no patent term | no patent term |
| US 7,847,703 | In force Jul 2029 | Jul 2029 |
| US 8,118,484 | In force Aug 2030 | Aug 2030 |
| US 8,363,580 | In force Feb 2031 | Feb 2031 |
| US 7,821,437 | In force Jun 2029 | Jun 2029 |
| US 8,085,156 | In force Jul 2030 | Jul 2030 |
| US 8,529,126 | In force Mar 2032 | Mar 2032 |
8 of 90 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
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 |
|---|---|---|---|
| Feb 18, 2004 Reel 15005, frame 988 | Franchuk, Brian A.; Benson, Roger R. | Rosemount, Inc. | Assignment of Assignor's Interest |
| Aug 7, 2006 Reel 18148, frame 763 | Rosemount, Inc. | Fisher-Rosemount Systems, Inc. | Assignment of Assignor's 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Note
The 723 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
4
later US patents cite this one
That is below the median of utility patents granted in 2007 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.