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

Status

Examiner's Answer Mailed

Filed

Feb 9, 2024

Last Updated

Mar 23, 2026

Examiner

Woo H Choi

Art Unit

3992

Requester Law Firm

Unknown

Requested By

Third Party

Patent OwnerInferred

Delta T LLC

Sector (CPC)

FMechanical Engineering
F04Pumps & Compressors
F04DNon-Positive-Displacement Pumps

USPC

417Pumps

Reexam History (35 events)

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

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, LLCMOOG INC.Security InterestHSBC BANK USA, NATIONAL ASSOCIATIONReleaseCREDIT 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

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