Also listed on Chart Sequal Technologies Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends no later than Nov 17, 2032 · Medium confidence
20-year base term ends Apr 7, 2031
In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.
Apr 7, 2011
Nov 17, 2032
May 22, 2018
This patent's term runs 590 days past its 20-year base term on prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 2 of 3 maintenance fees are paid so far. 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 Apr 7, 2011, when this application, 13/082,345, was filed | Apr 7, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +590 days, USPTO patent term adjustment record | Nov 17, 2032 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | no later than Nov 17, 2032 | Medium confidence |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jul 19, 2011 Reel 26612, frame 652 | Armstrong, Peter; Richard, Ronald; Edwards, Paul; Dai, Ningda Andy | Chart Sequal Technologies, Inc. | Assignment of Assignor's Interest |
| Jul 11, 2012 Reel 28546, frame 967 | Chart Sequal Technologies Inc. | JPMorgan Chase Bank, N.A., as Administrative Agent | Security Agreement |
| Jan 30, 2014 Reel 32091, frame 330 | Chart Sequal Technologies Inc. | Caire Inc. | Merger |
| Feb 10, 2014 Reel 32230, frame 550 | Caire Inc. | JPMorgan Chase Bank, N.A., as Administrative Agent | Security Agreement |
| Dec 20, 2018 Reel 47968, frame 666 | JPMorgan Chase Bank, N.A., as Administrative Agent | Caire Inc. | 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
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Nov 17, 2032. We will not guess the cap.