Term ended Nov 25, 2024 · High confidence
20-year base term ended Apr 8, 2024
Held by Illinois Tool Works Inc.
Filed Jan 15, 2007 as application 11/623,316 · Granted Mar 16, 2010
Base term plus 231 days of patent term adjustment (USPTO delay)
Today
Term ended Nov 25, 2024
2004
2026
Clock starts
Apr 8, 2004
Apr 8, 2004
Term ended
Nov 25, 2024
Nov 25, 2024
Granted
Mar 16, 2010
Mar 16, 2010
base term
patent term adjustment
after the term ends
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
231
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,479,615, to Nov 25, 2024. The term already ends on or before that date, so the cap shortened nothing.
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.
6
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 231 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. All three maintenance fees were paid, so no fee lapse ended it. 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 Apr 8, 2004, when application 10/821,773, the earliest non-provisional in its chain, was filed (this one was filed Jan 15, 2007) | Apr 8, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +231 days, USPTO patent term adjustment record | Nov 25, 2024 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,479,615) | resolves to Nov 25, 2024, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Nov 25, 2024 | High confidence |
This family
| US 7,057,130 | Term ended Apr 2024 | Apr 2024 |
| Application PCT/US2005/009093 | PCT application no patent term | no patent term |
| US 7,479,615 | Term ended Mar 2025 | Mar 2025 |
| US 8,063,336 | In force Jan 2028 | Jan 2028 |
| Application PCT/US2006/019817 | PCT application no patent term | no patent term |
| US 7,679,026 | this patent Nov 2024 | Nov 2024 |
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 |
|---|---|---|---|
| May 31, 2007 Reel 19360, frame 729 | Gefter, Peter; Gehlke, Scott | MKS Ion Systems, Inc. | Assignment of Assignor's Interest |
| Oct 10, 2009 Reel 23354, frame 830 | Gefter, Peter; Gehlke, Scott | MKS Instruments, Inc. | Assignment of Assignor's Interest |
| May 25, 2010 Reel 24434, frame 191 | MKS Instruments, Inc. | Ion Systems, Inc. | Assignment of Assignor's Interest |
| Dec 19, 2011 Reel 27408, frame 642 | Ion Systems, Inc. | Illinois Tool Works 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Note
The 231 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 7,479,615, ends no earlier than this term, so it caps nothing.
Citations
17
later US patents cite this one
That is above the median of utility patents granted in 2010 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.