Lapsed Oct 13, 2019 on the fee record · Medium confidence
20-year base term ended Sep 2, 2025
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.
Sep 2, 2005
Oct 13, 2019
Oct 13, 2015
Dec 5, 2030
Its term would have run to Dec 5, 2030: its 20-year base term plus 1920 days of term 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 Sep 2, 2005, when application 11/218,690, the earliest non-provisional in its chain, was filed (this one was filed Jan 6, 2006) | Sep 2, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1920 days, USPTO patent term adjustment record | Dec 5, 2030 | 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 Oct 13, 2019 | High confidence |
| Computed term end | The steps above, in order | Oct 13, 2019 | Medium confidence |
This family
| Application 60/655,827 | Provisional application no patent term | no patent term |
| Application 60/676,053 | Provisional application no patent term | no patent term |
| US 7,417,782 | Term ended Sep 2025 | Sep 2025 |
| US 7,304,785 | Lapsed on the fee record Dec 2019 | Dec 2019 |
| US 7,304,786 | Lapsed on the fee record Dec 2019 | Dec 2019 |
| US 7,271,945 | Term ended Sep 2025 | Sep 2025 |
| Application 60/751,909 | Provisional application no patent term | no patent term |
| US 9,158,106 | this patent Oct 2019 | Oct 2019 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Apr 3, 2006 Reel 17428, frame 337 | Hagood, Nesbitt W.; McAllister, Abraham; Lewis, Stephen; Barton, Roger | Pixtronix, Incorporated | Assignment of Assignor's Interest |
| Nov 21, 2011 Reel 27258, frame 642 | Hagood, Nesbitt W.; McAllister, Abraham; Lewis, Stephen; Barton, Roger | Pixtronix, Inc. | Corrective Assignment to Correct the Misspelling of Assignee Name to Correctly Read Pixtronix, Inc. Previously Recorded on Reel 017428 Frame 0337. Assignor(S) Hereby Confirms the Correction of Assignee Name to Read Pixtronix, Inc.. |
| Sep 2, 2016 Reel 39905, frame 188 | Pixtronix, Inc. | Snaptrack, Inc. | 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 Oct 13, 2019. We will not guess the cap.