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Electromagnetic Compression Apparatus, Methods, and Systems

US 7,629,941 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Searete LLC, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Dec 15, 2027 · High confidence

Held by Metali, LLC
Filed Oct 31, 2007 as application 11/982,353 · Granted Dec 8, 2009
Base term plus 45 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2007 2027
Clock starts
Oct 31, 2007
Term ends
Dec 15, 2027
Granted
Dec 8, 2009
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
45
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.
3
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 45 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Oct 31, 2007, when this application, 11/982,353, was filedOct 31, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+45 days, USPTO patent term adjustment recordDec 15, 2027High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderDec 15, 2027High confidence

This family

US 7,629,941this patent
Dec 2027
Dec 2027
US 7,733,289In force
no later than Oct 2027
no later than Oct 2027
US 8,026,862In force
Oct 2027
Oct 2027
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.
RecordedAssignorAssigneeConveyance
Feb 8, 2008
Reel 20508, frame 133
Pendry, John Brian; Schurig, David; Smith, David R.Searete LLCAssignment of Assignor's Interest
Feb 4, 2010
Reel 23901, frame 109
Searete LLCThe Invention Science Fund I LLCCorrective Assignment to Correct the to Re-Record Assignment to Correct Assignee Previously Recorded on Reel 020508 Frame 0133. Assignor(S) Hereby Confirms the Assignee Needs to Be Changed from Searete LLC to the Invention Science Fund I LLC.
Sep 16, 2026
Reel 76559, frame 629
The Invention Science Fund I, L.L.C.Metali, LLCAssignment 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.

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