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System and Methods for Removing Obsolete Data in a Distributed System of Hybrid Storage and Compute Nodes

US 9,448,927 In force
OverviewAssignmentsSources & methods

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

Term ends Mar 18, 2034 · High confidence

Filed Dec 19, 2013 as application 14/135,499 · Granted Sep 20, 2016
Base term plus 89 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2013 2034
Clock starts
Dec 19, 2013
Term ends
Mar 18, 2034
Granted
Sep 20, 2016
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
89
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.

This patent's term runs 89 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 Dec 19, 2013, when this application, 14/135,499, was filedDec 19, 2033High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+89 days, USPTO patent term adjustment recordMar 18, 2034High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 18, 2034High confidence

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
Mar 24, 2014
Reel 32511, frame 699
Agarwala, Sandip; Gaonkar, Shravan; Mahalingam, Mallikarjunan; Shah, Smit; Shaikh, Faraz; Vegulla, Praveen; Yadappanavar, KrishnaStorvisor, Inc.Assignment of Assignor's Interest
Jun 23, 2015
Reel 36013, frame 770
Storvisor, Inc.Springpath, Inc.Change of Name
Oct 16, 2017
Reel 44217, frame 209
Springpath, Inc.Springpath LLCChange of Name
Jul 20, 2018
Reel 46418, frame 363
Springpath LLCCisco Technology, 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.

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