Term ends Aug 15, 2030 · High confidence
20-year base term ended Nov 24, 2024
Held by Invensys Systems, Inc.
Filed Nov 24, 2004 as application 10/996,804 · Granted Jul 17, 2012
Base term plus 2090 days of patent term adjustment (USPTO delay)
Today
2004
2030
Clock starts
Nov 24, 2004
Nov 24, 2004
Term ends
Aug 15, 2030
Aug 15, 2030
Granted
Jul 17, 2012
Jul 17, 2012
base term
patent term adjustment
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
2,090
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.
This patent's term runs 2090 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Nov 24, 2004, when this application, 10/996,804, was filed | Nov 24, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +2090 days, USPTO patent term adjustment record | Aug 15, 2030 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Aug 15, 2030 | High 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 |
|---|---|---|---|
| Feb 8, 2005 Reel 16235, frame 307 | Jenkins, Patrick A.; Kronau, Paul D.; Miller, Wojtek | Robertshaw Controls Company | Assignment of Assignor's Interest |
| Jun 21, 2005 Reel 16711, frame 198 | Jenkins, Patrick A.; Kronau, Paul D.; Miller, Wojtek | Robertshaw Controls Company | Assignment of Assignor's Interest |
| Jul 13, 2006 Reel 17921, frame 846 | Robertshaw Controls Company | Deutsche Bank AG, London Branch | Security Agreement |
| Jan 9, 2013 Reel 29596, frame 910 | Deutsche Bank AG, London Branch | Robertshaw Controls Company | Release of Security Interest |
| Jun 20, 2014 Reel 33145, frame 734 | Robertshaw Controls Company | Invensys 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
Aug 2030
Term ends Aug 15, 2030. No further fees fall due before then
Note
The 2090 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
27
later US patents cite this one
That is top 25% of utility patents granted in 2012 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.