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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 Corporation

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)