90/019,412CEILING FAN SYSTEM WITH BRUSHLESS MOTOR8,672,649Open

Status

On Appeal - Awaiting Decision by the Board of Appeals

Filed

Feb 9, 2024

Last Updated

Sep 15, 2026

Examiner

Woo H Choi

Art Unit

3992

Requested By

Third Party

Patent Owner(via USPTO assignment records)

Delta T, LLC

Patent Owner Law Firm

Owner hasn't filed yet

Sector (CPC)

FMechanical Engineering
F04Pumps & Compressors
F04DNon-Positive-Displacement Pumps

USPC

417Pumps

Reexam History (42 events)

Sep 15, 2026APASAssignment of Appeal Number
Sep 15, 2026AP_DK_MDocketing Notice Mailed to Appellant
Sep 9, 2026APWDAppeal Awaiting PTAB Docketing
Sep 8, 2026RXC/SRCertificate of Service
Sep 8, 2026RXBPAIReexam Forwarded to PTAB
May 19, 2026RXFEE.Fee Payment Only Filed
May 19, 2026RXAPRBReply Brief Filed
Mar 23, 2026MRAEARX - Mail Examiners Answer
Jul 26, 2025RXAP.BAppeal Brief Filed
Jul 24, 2025RXC/SRCertificate of Service
Jul 24, 2025RXAPBRAppeal Brief Review Complete
May 30, 2025RXN/APNotice of Appeal Filed
May 30, 2025RXC/SRCertificate of Service
Apr 3, 2025MRXFRRX - Mail Final Rejection
Mar 21, 2025RXAAF.Response to Final Filed (or Ready for Examiner Action)
Jan 22, 2025MRXFRRX - Mail Final Rejection
Sep 6, 2024RXSA..Supplemental Response after Non-Final Rejection
Aug 8, 2024MRINARX - Mail Notification of Informal or Nonresponsive Amendment
Jul 31, 2024RXC/SRCertificate of Service
Jul 31, 2024RXA...Response after Non-Final Action
May 31, 2024MR.NFRX - Mail Reexam Non-Final Action
May 15, 2024RXFWDXDate Forwarded to Examiner
Mar 14, 2024MREXORX - Mail Ex Parte Request for Reexamination Granted
Mar 8, 2024MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Feb 15, 2024DOCKCase Docketed to Examiner in GAU
Feb 14, 2024MRXNReexamination Formalities Notice Mailed
Feb 14, 2024MRXNReexamination Formalities Notice Mailed
Feb 13, 2024RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Feb 13, 2024RXNREQAUNotice of assignment of reexamination request
Feb 13, 2024RXC.ADRReexam - Correspondence Address Change for Third Party Requester
Feb 12, 2024RXTTLRPTTitle Report
Feb 12, 2024RXRLFReExam Litigation Found
Feb 12, 2024RXNREQFDNotice of reexamination request filing date
Feb 12, 2024RXLITSRReexam Litigation Search Conducted
Feb 12, 2024PRXRParalegal Reexam Review Complete
Feb 12, 2024FTFSFITF set to YES - revise initial setting
Feb 12, 2024FTFIFITF set to NO - revise initial setting
Feb 9, 2024RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Feb 9, 2024RXOSUB.RReexamination requested by third party requester
Feb 9, 2024RXOSUBReceipt of Original Ex Parte Reexam Request
Feb 9, 2024RXC/SRCertificate of Service
Feb 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
Mar 18, 2014
3.5-yr
Sep 18, 2017
Paid Sep 12, 2017
7.5-yr
Sep 18, 2021
Paid Apr 30, 2021
11.5-yr
Sep 18, 2025
Paid Aug 5, 2025
Expiry
Jul 20, 2030

Entity Status

Large Entity

Expires

Jul 20, 2030 (4.3 yr remaining)

Term Adjustment

+501 days (~1.4 yr)

Assignments

2009201020112012201320142015201620172018201920202021FiledRICHARD W. FIZERJOHN B. LANGSTONRICHARD A. OLESONJ. CAREY SMITHMARK A. TOYTROY A. ANDERSONRICHARD M. AYNSLEYRON G. FLANARYELIOS KLEMORICHARD W. FIZERJOHN B. LANGSTONRICHARD A. OLESONJ. CAREY SMITHMARK A. TOYTROY A. ANDERSONRICHARD M. AYNSLEYRON G. FLANARYELIOS KLEMORICHARD W. FIZERJOHN B. LANGSTONRICHARD A. OLESONJ. CAREY SMITHMARK A. TOYTROY A. ANDERSONRICHARD M. AYNSLEYRON G. FLANARYELIOS KLEMODELTA T CORPORATION and ASPEN MOTION TECHNOLOGIES, INC.DELTA T CORPORATIONDELTA T CORPORATION and ASPEN MOTION TECHNOLOGIES, INC.HOFFMAN ENCLOSURES INC.MOOG INC.DELTA T, LLCCREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENTDELTA T, LLCDELTA T, LLCHSBC BANK USA, NATIONAL ASSOCIATIONSecurity interest, Jun 2016HSBC BANK USA, NATIONAL ASSOCIATIONRelease, Jun 2019CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENTRelease, Jul 20212 security interests, Sep 2021GOLDMAN SACHS BANK USA, AS COLLATERAL AGENT, U.S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT
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

AssignmentReel/Frame: 022613/0254Recorded: Apr 29, 2009

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: 030460/0164Recorded: May 21, 2013

From

HOFFMAN ENCLOSURES INC.
Mar 20, 2013
→

To

MOOG INC.

Security InterestReel/Frame: 039421/0294Recorded: Jul 21, 2016

From

MOOG INC.
Jun 28, 2016
→

To

HSBC BANK USA, NATIONAL ASSOCIATION

Name ChangeReel/Frame: 046022/0852Recorded: Apr 26, 2018

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

ReleaseReel/Frame: 050166/0610Recorded: Aug 26, 2019

From

HSBC BANK USA, NATIONAL ASSOCIATION
Jun 26, 2019
→

To

MOOG INC.

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