Also listed on Also, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jan 10, 2034 · High confidence
20-year base term ends Jan 20, 2031
Held by Also Energy, Inc.
Filed Jan 20, 2011 as application 13/010,280 · Granted Mar 10, 2015
Base term plus 1086 days of patent term adjustment (USPTO delay)
Today
2011
2034
Clock starts
Jan 20, 2011
Jan 20, 2011
Term ends
Jan 10, 2034
Jan 10, 2034
Granted
Mar 10, 2015
Mar 10, 2015
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
1,086
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.
16
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 1086 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 20, 2011, when this application, 13/010,280, was filed | Jan 20, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1086 days, USPTO patent term adjustment record | Jan 10, 2034 | 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 10, 2034 | High confidence |
This family
| US 8,053,929 | In force Jun 2029 | Jun 2029 |
| US 8,214,270 | In force Oct 2030 | Oct 2030 |
| US 8,975,783 | this patent Jan 2034 | Jan 2034 |
| US 9,142,960 | In force Nov 2032 | Nov 2032 |
| US 8,725,437 | In force Nov 2032 | Nov 2032 |
| US 8,970,068 | In force (reinstated) Sep 2033 | Sep 2033 |
| US 8,716,999 | Lapsed on the fee record May 2026 | May 2026 |
| US 9,106,105 | In force Mar 2034 | Mar 2034 |
8 of 16 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 |
|---|---|---|---|
| Jan 20, 2011 Reel 25669, frame 427 | Williams, Bertrand J.; Sandbote, Sam B. | Solar Power Technologies, Inc. | Assignment of Assignor's Interest |
| Oct 8, 2012 Reel 29088, frame 887 | Solar Power Technologies Incorporated | Draker, Inc. | Change of Name |
| Oct 16, 2013 Reel 31421, frame 182 | Draker, Inc. | Comerica Bank, a Texas Banking Association | Security Agreement |
| Sep 18, 2015 Reel 36601, frame 900 | Comerica Bank | Draker, Inc. | Release of Security Interest |
| Jan 21, 2016 Reel 37550, frame 319 | Draker, Inc. | Blued Acquisition Corporation | Assignment of Assignor's Interest |
| Mar 5, 2019 Reel 48501, frame 835 | Draker Corporation | Also Energy, Inc. | Asset Purchase 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jan 2034
Term ends Jan 10, 2034. No further fees fall due before then
Note
The 1086 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
37
later US patents cite this one
That is top 25% of utility patents granted in 2015 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.