Term ends Apr 17, 2032 · High confidence
20-year base term ends Feb 16, 2031
Held by Sensus Spectrum, LLC
Filed Feb 16, 2011 as application 13/028,287 · Granted Oct 21, 2014
Base term plus 426 days of patent term adjustment (USPTO delay)
Today
2011
2032
Clock starts
Feb 16, 2011
Feb 16, 2011
Term ends
Apr 17, 2032
Apr 17, 2032
Granted
Oct 21, 2014
Oct 21, 2014
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
426
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.
5
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 426 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 Feb 16, 2011, when this application, 13/028,287, was filed | Feb 16, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +426 days, USPTO patent term adjustment record | Apr 17, 2032 | 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 | Apr 17, 2032 | High confidence |
This family
| US 8,864,181 | this patent Apr 2032 | Apr 2032 |
| US 8,789,832 | In force no later than Feb 2031 | no later than Feb 2031 |
| Application 13/728,633 | Abandoned not computed | not computed |
| US 8,776,351 | In force Feb 2031 | Feb 2031 |
| US 10,184,599 | In force Apr 2032 | Apr 2032 |
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 16, 2011 Reel 25815, frame 555 | Bird, Edwin A. | Sensus USA Inc. | Assignment of Assignor's Interest |
| Jun 12, 2011 Reel 26429, frame 487 | Sensus USA Inc.; M&FC Holding LLC (N/K/A Sensus Spectrum LLC) | Credit Suisse AG, as First Lien Collateral Agent | Security Agreement |
| Jun 13, 2011 Reel 26429, frame 896 | Sensus USA Inc.; M&FC Holding LLC (N/K/A Sensus Spectrum LLC) | Credit Suisse AG, as Second Lien Collateral Agent | Security Agreement |
| Dec 18, 2012 Reel 29488, frame 391 | Bird, Edwin A.; Gabert, George D. | Sensus USA Inc. | Corrective Assignment to Correct the Addition of Second Inventor George D. Gabert Previously Recorded on Reel 002815 Frame 0555. Assignor(S) Hereby Confirms the Addition of Second Inventor George D. Gabert. |
| Aug 28, 2014 Reel 33628, frame 126 | Sensus USA, Inc. | Sensus Spectrum, LLC | Assignment of Assignor's Interest |
| Aug 29, 2014 Reel 33716, frame 201 | Sensus USA, Inc. | Sensus Spectrum, LLC | Corrective Assignment to Correct the U.S. Application 13/728,562 Issued as Patent 8,789,832 - Incorrectly Entered as 8,789,823 Previously Recorded on Reel 033628 Frame 0126. Assignor(S) Hereby Confirms the Assignment to Sensus Spectrum, LLC. |
| Apr 19, 2016 Reel 38474, frame 418 | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | Sensus USA Inc.; Sensus Spectrum LLC; Smith-Blair, Inc. | Release Agreement |
| Apr 19, 2016 Reel 38474, frame 337 | Sensus USA Inc.; Sensus Worldwide Limited; Sensus Spectrum LLC; Smith-Blair, Inc. | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | Security Agreement |
| Apr 19, 2016 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | Sensus USA Inc. | Release Agreement |
| Apr 19, 2016 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | Sensus Spectrum LLC | Release Agreement |
| Apr 19, 2016 reel/frame not recorded | Credit Suisse AG, Cayman Islands Branch, as Collateral Agent | Smith-Blair, Inc. | Release Agreement |
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.
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Alerts on its grants, lapses and transfers.
What's changing
Apr 2032
Term ends Apr 17, 2032. No further fees fall due before then
Note
The 426 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
45
later US patents cite this one
That is top 25% of utility patents granted in 2014 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.