90/019,863UNIDIRECTIONAL MULTI-PATH LUMBER KILNS10,203,156Closed

Status

Reexamination Certificate Issued

Filed

Feb 25, 2025

Last Updated

Oct 15, 2025

Art Unit

3993

Requester

Unknown

Requester Law Firm

Jackson Walker, LLP

Requested By

Third Party

Patent Owner

Usnr LLC

Sector (CPC)

FMechanical Engineering
F26Drying
F26BDrying Solid Materials

USPC

34Drying And Gas Or Vapor Contact With Solids

Reexam History (47 events)

Oct 15, 2025REEXInput Issue Number and Issue Date for Reexamination
Oct 5, 2025RXPUBSReexam Forwarded to Office of Publications
Oct 3, 2025RXPTDIReexam Petition Decision - Dismissed
Oct 3, 2025MRTDIRX - Mail Petition Decision - Dismissed
Sep 3, 2025RXC/SRCertificate of Service
Sep 2, 2025WIDSInformation Disclosure Statement (IDS) Filed
Sep 2, 2025RXPET.Receipt of Petition in a Reexam
Aug 29, 2025MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Aug 25, 2025RXRLFReExam Litigation Found
Aug 25, 2025RXLITSRReexam Litigation Search Conducted
Aug 25, 2025PRXRParalegal Reexam Review Complete
Aug 13, 2025IDSCInformation Disclosure Statement considered
Aug 13, 2025IDSCInformation Disclosure Statement considered
Aug 13, 2025IDSCInformation Disclosure Statement considered
Jul 23, 2025PA..Change in Power of Attorney (May Include Associate POA)
Jul 21, 2025WIDSInformation Disclosure Statement (IDS) Filed
Jul 21, 2025RXIDS.Information Disclosure Statement Filed
Jul 21, 2025RXC/SRCertificate of Service
Jul 21, 2025RXA...Response after Non-Final Action
May 21, 2025MR.NFRX - Mail Reexam Non-Final Action
May 19, 2025WIDSInformation Disclosure Statement (IDS) Filed
May 19, 2025RXLET.Miscellaneous Incoming Letter
May 19, 2025RXIDS.Information Disclosure Statement Filed
May 16, 2025WIDSInformation Disclosure Statement (IDS) Filed
Apr 15, 2025MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Apr 11, 2025RXWVSTWaiver of owners statement in ex parte
Mar 19, 2025MREXORX - Mail Ex Parte Request for Reexamination Granted
Mar 13, 2025IDSCInformation Disclosure Statement considered
Mar 7, 2025MRXNReexamination Formalities Notice Mailed
Mar 7, 2025MRXNReexamination Formalities Notice Mailed
Mar 7, 2025COMPApplication Is Now Complete
Mar 6, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Mar 6, 2025RXNREQFDNotice of reexamination request filing date
Mar 6, 2025RXNREQAUNotice of assignment of reexamination request
Mar 6, 2025FTFIFITF set to NO - revise initial setting
Mar 6, 2025DOCKCase Docketed to Examiner in GAU
Feb 26, 2025SMALApplicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27
Feb 26, 2025PRXRParalegal Reexam Review Complete
Feb 25, 2025WIDSInformation Disclosure Statement (IDS) Filed
Feb 25, 2025RXTTLRPTTitle Report
Feb 25, 2025RXRLFReExam Litigation Found
Feb 25, 2025RXOSUB.RReexamination requested by third party requester
Feb 25, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Feb 25, 2025RXLITSRReexam Litigation Search Conducted
Feb 25, 2025RXIDS.Information Disclosure Statement Filed
Feb 25, 2025RXC/SRCertificate of Service
Feb 25, 2025BIG.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
Feb 12, 2019
3.5-yr
Aug 12, 2022
Paid Aug 12, 2022
7.5-yr
Aug 12, 2026
11.5-yr
Aug 12, 2030
Expiry
Jul 17, 2037

Entity Status

Large Entity

Expires

Jul 17, 2037 (11.3 yr remaining)

Assignments

20142015201620172018201920202021FiledCHRISTOPHER W. BLOMQUISTL.L.C. BURTON SAW AND SUPPLYU.S. NATURAL RESOURCES, INC.USNR, LLCU.S. NATURAL RESOURCES, INC.JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Name ChangeReel/Frame: 045933/0602Recorded: Apr 12, 2018

From

U.S. NATURAL RESOURCES, INC.
Dec 21, 2013

To

USNR, LLC

AssignmentReel/Frame: 045527/0336Recorded: Apr 12, 2018

From

CHRISTOPHER W. BLOMQUISTInventor
Mar 4, 2014

To

U.S. NATURAL RESOURCES, INC.

OtherReel/Frame: 057788/0866Recorded: Oct 13, 2021

From

L.L.C. BURTON SAW AND SUPPLY
Oct 12, 2021
SIMONDS INTERNATIONAL L.L.C.
Oct 12, 2021
USNR, LLC
Oct 12, 2021

To

JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT