Also listed on Interfacial Solutions IP, LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jan 27, 2029 · High confidence
20-year base term ends Jan 29, 2028
Held by Interfacial Consultants LLC
Filed Jul 20, 2009 as application 12/523,819 · Granted Jan 31, 2012
Base term plus 364 days of patent term adjustment (USPTO delay)
Today
2008
2029
Clock starts
Jan 29, 2008
Jan 29, 2008
Term ends
Jan 27, 2029
Jan 27, 2029
Granted
Jan 31, 2012
Jan 31, 2012
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
364
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.
2
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 364 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 Jan 29, 2008, when application PCT/US2008/001129, the earliest non-provisional in its chain, was filed (this one was filed Jul 20, 2009) | Jan 29, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +364 days, USPTO patent term adjustment record | Jan 27, 2029 | 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 | Jan 27, 2029 | High confidence |
This family
| US 8,106,105 | this patent Jan 2029 | Jan 2029 |
1 of 2 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Dec 20, 2011 Reel 27473, frame 228 | Cernohous, Jeffrey Jacob | Interfacial Solutions IP, LLC | Assignment of Assignor's Interest |
| Mar 21, 2012 Reel 27899, frame 873 | Interfacial Solutions IP, LLC | Regional Business Fund, Inc. | Security Agreement |
| May 14, 2015 reel/frame not recorded | Regional Business Fund, Inc. | Interfacial Solutions IP, LLC | Release of Security Interest |
| May 14, 2015 reel/frame not recorded | Regional Business Fund, Inc. | Magma Flooring LLC | Release of Security Interest |
| May 14, 2015 reel/frame not recorded | Regional Business Fund, Inc. | Interfacial Solutions LLC | Release of Security Interest |
| May 14, 2015 reel/frame not recorded | Regional Business Fund, Inc. | Magma Composites LLC | Release of Security Interest |
| May 14, 2015 Reel 35642, frame 665 | Regional Business Fund, Inc. | Interfacial Solutions IP, LLC; Magma Flooring LLC; Interfacial Solutions LLC; Magma Composites LLC | Release of Security Interest |
| Aug 22, 2021 Reel 57251, frame 520 | Interfacial Solutions LLC | Interfacial Consultants LLC | Change of Name |
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
Jan 2029
Term ends Jan 27, 2029. No further fees fall due before then
Note
The 364 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
44
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.