Also listed on Solid Carbon Products, LLC, an earlier holder on the record.
Term ends no later than Aug 11, 2034 · Medium confidence
20-year base term ends Apr 10, 2033
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 10, 2013
Aug 11, 2034
Jul 9, 2019
This patent's term runs 488 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. 1 of 3 maintenance fees is 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 10, 2013, when application PCT/US2013/035988, the earliest non-provisional in its chain, was filed (this one was filed Oct 17, 2014) | Apr 10, 2033 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +488 days, USPTO patent term adjustment record | Aug 11, 2034 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | no later than Aug 11, 2034 | Medium confidence |
This family
| Application PCT/US2013/035988 | PCT application no patent term | no patent term |
| US 10,343,104 | this patent no later than Aug 2034 | no later than Aug 2034 |
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 Aug 11, 2034. We will not guess the cap.