IP Library › Granted Patent US 6,755,891
Granted Patent Utility
US 6,755,891 · Confirmation No. 5574

PROCESS FOR THE TREATMENT OR REMOVAL OF IMPURITIES IN A HYDROMETALLURGICAL EXTRACTION PROCESS

Inventor: David L. Jones
Patented Case View Patent ↗ View Publication ↗
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2005-10-31 PET.DEC.PUBS Petition decision routed to the publications branch to act on the decision or continue prosecution. 2 View
2005-04-13 PET.OP Petition for review by the Office of Petitions 3 View
2005-03-30 PETDEC Petition Decision 1 View
2004-07-07 LET. Miscellaneous Incoming Letter 3 View
2004-04-16 IFEE Issue Fee Payment (PTO-85B) 4 View
2004-03-15 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2004-03-15 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2004-03-15 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2004-03-15 SRFW Search information including classification, databases and other search related notes 1 View
2004-03-04 SRNT Examiner's search strategy and results 2 View
2004-02-04 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2004-02-04 CLM Claims 5 View
2004-02-04 REM Applicant Arguments/Remarks Made in an Amendment 4 View
2004-02-04 XT/ Extension of Time 1 View
2004-02-04 LET. Miscellaneous Incoming Letter 2 View
2004-02-04 WFEE Fee Worksheet (SB06) 1 View
2003-09-05 CTNF Non-Final Rejection 6 View
2003-09-05 892 List of references cited by examiner 1 View
2003-09-05 1449 List of References cited by applicant and considered by examiner 2 View
2003-08-30 SRNT Examiner's search strategy and results 1 View
2003-08-29 SRNT Examiner's search strategy and results 2 View
2002-07-15 IDS Information Disclosure Statement (IDS) Form (SB08) 3 View
2002-07-15 LET. Miscellaneous Incoming Letter 1 View
2002-07-10 DRW Drawings-only black and white line drawings 2 View
2002-07-10 OATH Oath or Declaration filed 3 View
2002-07-10 PEFR Applicant Response to Pre-Exam Formalities Notice 8 View
2002-05-15 PEFN Pre-Exam Formalities Notice 2 View
2002-04-16 TRNA Transmittal of New Application 2 View
2002-04-16 SPEC Specification 11 View
2002-04-16 CLM Claims 5 View
2002-04-16 ABST Abstract 1 View
2002-04-16 DRW Drawings-only black and white line drawings 2 View
2002-04-16 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2002-04-16 SRFW Search information including classification, databases and other search related notes 1 View
2002-04-16 FWCLM Index of Claims 1 View
2002-04-16 TRNA Transmittal of New Application 2 View
2002-04-16 DRW Drawings-only black and white line drawings 2 View
2002-04-16 SPEC Specification 11 View
2002-04-16 CLM Claims 5 View
2002-04-16 ABST Abstract 1 View
2002-04-16 WFEE Fee Worksheet (SB06) 1 View
2002-04-16 WFEE Fee Worksheet (SB06) 1 View
2002-04-16 WCLM Claims Worksheet (PTO-2022) 1 View
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Quick Facts
Patent No.
US 6,755,891
App. No.
10/122,346
Filed
2002-04-16
Granted
2004-06-29
Pub. No.
US20030192404A1
Art Unit
1742
PTA
-136 days