Light Delivery System
US 8,685,005 Surrendered on reissueSurrendered on reissue Aug 8, 2017 · Medium confidence
20-year base term ends Oct 11, 2027
Why Medium: No fee event states this; the fee state is read from the payments the fee record holds.
Surrendered on reissue Aug 8, 2017 · its term and maintenance fees continue in US RE46,504.
Oct 11, 2007
Aug 8, 2017
Apr 1, 2014
Jun 9, 2030
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Oct 11, 2007, when the earliest non-provisional application in its chain was filed (this one was filed Feb 5, 2010) | Oct 11, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +972 days, USPTO patent term adjustment record | Jun 9, 2030 | 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 | No fee events in USPTO's record of this patent. A gap in the record, not evidence of lapse | no change | Medium confidence |
| Reissue | US RE46,504 issued Aug 8, 2017, and this patent's term continues in it (35 U.S.C. 251, 252) | surrendered Aug 8, 2017 | High confidence |
| Surrendered on reissue | The steps above, in order | Aug 8, 2017 | Medium confidence |
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.
Not on this page: the patent's family, its recorded assignments and its citation count. USPTO's assignment records, linked above, list every recorded assignment.
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.