90/019,370CEILING FAN SYSTEM WITH BRUSHLESS MOTOR9,458,859Closed

Status

Reexamination Certificate Issued

Filed

Jan 9, 2024

Last Updated

Oct 20, 2025

Art Unit

3993

Requester Law Firm

Unknown

Requested By

Third Party

Patent OwnerInferred

Delta T LLC

Sector (CPC)

FMechanical Engineering
F04Pumps & Compressors
F04DNon-Positive-Displacement Pumps

USPC

416Fluid Reaction Surfaces (I.e., Impellers)

Reexam History (52 events)

Oct 20, 2025REEXInput Issue Number and Issue Date for Reexamination
Oct 5, 2025RXPUBSReexam Forwarded to Office of Publications
Oct 1, 2025RXTTLRPTTitle Report
Aug 29, 2025MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Aug 26, 2025RXRLFReExam Litigation Found
Aug 26, 2025RXLITSRReexam Litigation Search Conducted
May 23, 2025RXC/SRCertificate of Service
May 23, 2025RXAPBRAppeal Brief Review Complete
May 23, 2025RXAP.BAppeal Brief Filed
Apr 28, 2025MRADVRX - Mail Reexam - Advisory Action (or Supplemental)
Apr 21, 2025DOCKCase Docketed to Examiner in GAU
Mar 25, 2025RXN/APNotice of Appeal Filed
Mar 24, 2025RXC/SRCertificate of Service
Mar 11, 2025RXAAF.Response to Final Filed (or Ready for Examiner Action)
Feb 21, 2025DOCKCase Docketed to Examiner in GAU
Feb 5, 2025MRADVRX - Mail Reexam - Advisory Action (or Supplemental)
Jan 24, 2025RXAAF.Response to Final Filed (or Ready for Examiner Action)
Jan 16, 2025RXLET.Miscellaneous Incoming Letter
Dec 12, 2024RXLET.Miscellaneous Incoming Letter
Nov 25, 2024MRXFRRX - Mail Final Rejection
Nov 18, 2024MRXFRRX - Mail Final Rejection
Aug 5, 2024RXC/SRCertificate of Service
Aug 5, 2024RXA...Response after Non-Final Action
Jun 7, 2024ELC_RVWElectronic Review
Jun 7, 2024ELC_RVWElectronic Review
Jun 7, 2024ELC_RVWElectronic Review
Jun 7, 2024ELC_RVWElectronic Review
Jun 5, 2024MR.NFRX - Mail Reexam Non-Final Action
Apr 15, 2024RXFWDXDate Forwarded to Examiner
Feb 7, 2024MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Feb 6, 2024MREXORX - Mail Ex Parte Request for Reexamination Granted
Jan 24, 2024IDSCInformation Disclosure Statement considered
Jan 22, 2024PA..Change in Power of Attorney (May Include Associate POA)
Jan 19, 2024RXPA..Change in Power of Attorney (May Include Associate POA)
Jan 19, 2024RXC.ADCorrespondence Address Change
Jan 16, 2024DOCKCase Docketed to Examiner in GAU
Jan 12, 2024MRXNReexamination Formalities Notice Mailed
Jan 12, 2024MRXNReexamination Formalities Notice Mailed
Jan 11, 2024RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jan 11, 2024RXNREQFDNotice of reexamination request filing date
Jan 11, 2024RXNREQAUNotice of assignment of reexamination request
Jan 11, 2024RXC.ADRReexam - Correspondence Address Change for Third Party Requester
Jan 11, 2024FTFSFITF set to YES - revise initial setting
Jan 9, 2024WIDSInformation Disclosure Statement (IDS) Filed
Jan 9, 2024RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Jan 9, 2024RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Jan 9, 2024RXOSUB.RReexamination requested by third party requester
Jan 9, 2024RXOSUB.RReexamination requested by third party requester
Jan 9, 2024RXOSUBReceipt of Original Ex Parte Reexam Request
Jan 9, 2024RXIDS.Information Disclosure Statement Filed
Jan 9, 2024RXC/SRCertificate of Service
Jan 9, 2024BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

None found

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
Oct 4, 2016
3.5-yr
Apr 4, 2020
Paid Mar 17, 2020
7.5-yr
Apr 4, 2024
Paid Mar 15, 2024
11.5-yr
Apr 4, 2028
Expiry
Feb 21, 2035

Entity Status

Large Entity

Expires

Feb 21, 2035 (8.9 yr remaining)

Term Adjustment

+586 days (~1.6 yr)

Assignments

2010201120122013201420152016201720182019FiledRICHARD W. FIZERJOHN B. LANGSTONRICHARD A. OLESONJ. CAREY SMITHMARK A. TOYTROY A. ANDERSONRICHARD M. AYNSLEYRON G. FLANARYELIOS KLEMODELTA T CORPORATIONHOFFMAN ENCLOSURES INC.MOOG, INC.DELTA T, LLCCREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENTDELTA T, LLCDELTA T, LLCCREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENTReleaseDELTA T, LLCSecurity InterestDELTA T, LLCSecurity Interest
AssignmentReel/Frame: 052065/0630Recorded: Jan 24, 2020

From

TROY A. ANDERSONInventor
Apr 2, 2009
RICHARD M. AYNSLEYInventor
Apr 2, 2009
RICHARD W. FIZERInventor
Mar 25, 2009
RON G. FLANARYInventor
Apr 2, 2009
ELIOS KLEMOInventor
Apr 23, 2009
JOHN B. LANGSTONInventor
Mar 25, 2009
RICHARD A. OLESONInventor
Mar 25, 2009
J. CAREY SMITHInventor
Mar 25, 2009
MARK A. TOYInventor
Mar 25, 2009

To

DELTA T CORPORATION

AssignmentReel/Frame: 051584/0530Recorded: Jan 22, 2020

From

TROY A. ANDERSONInventor
Apr 2, 2009
RICHARD M. AYNSLEYInventor
Apr 2, 2009
RICHARD W. FIZERInventor
Mar 25, 2009
RON G. FLANARYInventor
Apr 2, 2009
ELIOS KLEMOInventor
Apr 23, 2009
JOHN B. LANGSTONInventor
Mar 25, 2009
RICHARD A. OLESONInventor
Mar 25, 2009
J. CAREY SMITHInventor
Mar 25, 2009
MARK A. TOYInventor
Mar 25, 2009

To

DELTA T CORPORATION

MergerReel/Frame: 051584/0754Recorded: Jan 22, 2020

From

ASPEN MOTION TECHNOLOGIES, INC.
Dec 31, 2010

To

HOFFMAN ENCLOSURES INC.

AssignmentReel/Frame: 055671/0557Recorded: Mar 22, 2021

From

HOFFMAN ENCLOSURES, INC.
Mar 20, 2013

To

MOOG, INC.

Name ChangeReel/Frame: 050044/0109Recorded: Aug 13, 2019

From

DELTA T CORPORATION
Nov 2, 2017

To

DELTA T, LLC

OtherReel/Frame: 045108/0832Recorded: Jan 22, 2018

From

DELTA T, LLC (F/K/A DELTA T CORPORATION)
Dec 22, 2017

To

CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT

AssignmentReel/Frame: 050784/0630Recorded: Oct 22, 2019

From

MOOG, INC.
Jul 25, 2019

To

DELTA T, LLC

AssignmentReel/Frame: 050784/0576Recorded: Oct 22, 2019

From

HOFFMAN ENCLOSURES INC.
Aug 28, 2019

To

DELTA T, LLC

ReleaseReel/Frame: 057606/0105Recorded: Jul 26, 2021

From

CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Jul 26, 2021

To

DELTA T, LLC (F/K/A DELTA T CORPORATION)

Security InterestReel/Frame: 062142/0273Recorded: Dec 16, 2022

From

DELTA T, LLC
Sep 24, 2021

To

GOLDMAN SACHS BANK USA, AS COLLATERAL AGENT

Security InterestReel/Frame: 062142/0205Recorded: Dec 16, 2022

From

DELTA T, LLC
Sep 24, 2021

To

U.S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT