Patent Application
Provisional
App. No. 60/623,453
· Confirmation No. 9541
Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowining & solvent/solution extraction
Provisional Application Expired
Inventors
John O. Marsden
Phoenix, AZ
Robert E. Brewer
Park City, UT
Joanna M. Robertson
Thatcher, AZ
Phillip Thompson
West Valley City, UT
Wayne W. Hazen
Lakewood, CO
Christel M.A. Bemelmans
Indian Hills, CO
David R. Baughman
Golden, CO
Attorneys & Agents of Record
Prosecution
- Customer No.
- 20322
- Docket No.
- 97112.4250
- Confirmation No.
- 9541
Child
Claims priority from a provisional application
→
App. 12/344,842
· US 7,736,488
Filed 2008-12-29
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
PCT
Claims priority from a provisional application
→
PCT/US2004/042038
Filed 2004-12-13
· RO PROCESSING COMPLETED-PLACED IN STORAGE
Child
Claims priority from a provisional application
→
App. 11/163,762
· US 7,485,216
Filed 2005-10-28
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
from
MARSDEN, JOHN O.,
BAUGHMAN, DAVID R.,
BEMELMANS, CHRISTEL M. A.,
BREWER, ROBERT E.,
HAZEN, WAYNE W.,
THOMPSON, PHILIP,
ROBERTSON, JOANNA M.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2005-03-08
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
- App. No.
- 60/623,453
- Filed
- 2004-10-29
External Links