Lapsed Feb 21, 2021 on the fee record · Medium confidence
20-year base term ends Dec 6, 2032
Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.
First maintenance fee unpaid; grace period ended.
Dec 6, 2012
Feb 21, 2021
Feb 21, 2017
Dec 6, 2032
Its term would have run to Dec 6, 2032: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. Confidence: Medium. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Dec 6, 2012, when application 13/707,403, the earliest non-provisional in its chain, was filed (this one was filed Apr 10, 2015) | Dec 6, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | lapsed Feb 21, 2021 | High confidence |
| Computed term end | The steps above, in order | Feb 21, 2021 | Medium confidence |
This family
| US 9,028,276 | In force Jan 2033 | Jan 2033 |
| US 9,577,391 | this patent Feb 2021 | Feb 2021 |
| US 9,768,566 | In force no later than Dec 2032 | no later than Dec 2032 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Apr 13, 2015 Reel 35393, frame 571 | Wilson, Brandon; Sterkeson, Paul | PCT International, Inc., | Assignment of Assignor's Interest |
| Apr 13, 2015 Reel 35393, frame 607 | Youtsey, Timothy L. | PCT International, Inc., | Assignment of Assignor's Interest |
| Apr 3, 2018 Reel 45427, frame 717 | PCT International, Inc. | Bibby Financial Services (CA), Inc. | Security Interest |
| Feb 16, 2022 Reel 59126, frame 491 | PCT International, Inc. | Sallyport Commercial Finance, LLC | Security Interest |
| Oct 22, 2025 Reel 73172, frame 788 | PCT International, Inc. | DMZ Global LLC | 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.
What's changing
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Feb 21, 2021. We will not guess the cap.