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US

Display Systems Having Screens with Optical Fluorescent Materials

US 8,803,772 In force
OverviewFamilyAssignmentsSources & methods

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

Collateral for a security interest recorded Mar 17, 2025 (Prysm, Inc.).

Term ends Jun 25, 2028 · High confidence

Filed Apr 29, 2008 as application 10/578,038 · Granted Aug 12, 2014
Base term plus 1155 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2005 2028
Clock starts
Apr 27, 2005
Term ends
Jun 25, 2028
Granted
Aug 12, 2014
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
1,155
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.
16
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 1155 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 Apr 27, 2005, when application 11/116,998, the earliest non-provisional in its chain, was filed (this one was filed Apr 29, 2008)Apr 27, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1155 days, USPTO patent term adjustment recordJun 25, 2028High 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 orderJun 25, 2028High confidence

This family

US 7,474,286Lapsed on the fee record
Jan 2021
Jan 2021
US 7,791,561In force
May 2027
May 2027
US 7,733,310In force
Nov 2027
Nov 2027
Application 11/436,230Abandoned
not computed
not computed
US 8,089,425Lapsed on the fee record
Jan 2024
Jan 2024
US 8,000,005Lapsed on the fee record
Aug 2019
Aug 2019
US 7,994,702In force
Oct 2027
Oct 2027
US 8,803,772this patent
Jun 2028
Jun 2028
8 of 16 applications in this family shown, earliest filings first. 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
Apr 29, 2008
Reel 20874, frame 782
Tan, Patrick; Malyak, Phillip H.; Hajjar, Roger A.; Kent, David L.; Kindler, DavidSpudnik, Inc.Assignment of Assignor's Interest
Jan 27, 2010
Reel 23859, frame 522
Spudnik, Inc.Prysm, Inc.Change of Name
Aug 3, 2017
Reel 43432, frame 787
Prysm, Inc.Kuwait Investment Authority, As Collateral AgentSecurity Interest
Nov 9, 2020
Reel 54365, frame 241
Prysm, Inc.Prysm Systems, Inc.Assignment of Assignor's Interest
Nov 18, 2020
Reel 54411, frame 409
Prysm, Inc.; Sococo, Inc.Sococo, LLCMerger and Change of Name
Feb 5, 2021
Reel 57679, frame 458
Prysm, Inc.Prysm Systems, Inc.Corrective Assignment to Correct the Application No. 13505582 Previously Recorded at Reel: 054365 Frame: 241. Assignor(S) Hereby Confirms the Assignment.
Mar 7, 2025
Reel 70442, frame 135
Prysm Systems, Inc.MSSL Consolidated Inc.Assignment of Assignor's Interest
Mar 17, 2025
Reel 72856, frame 105
Kuwait Investment AuthorityPrysm, Inc.Order Confirming the Prepackaged Plan of Reorganization of Prysm, Inc. Including Releasing Security Interests in Patents
Aug 11, 2025
Reel 72459, frame 15
Prysm Systems, Inc.MSSL Consolidated Inc.Corrective Assignment to Correct the Recordation and Remove Eighteen Property Numbers from the Patent Assignment Previously Recorded on Reel 70442 Frame 135. Assignor(S) Hereby Confirms the Assignment of Assignors Interest (Assignee Has the Power to Sign on Behalf of Assignor Pursuant to the Attached Poa.).

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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