IP Library Patent Application 09807284
Patent Application Utility PCT National Stage Small
App. No. 09/807,284 · Confirmation No. 6020

COMPOSITION FOR THE FLOTATION OF USEFUL MINERALS

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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2001-05-30 LET. Miscellaneous Incoming Letter 17 View
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Quick Facts
App. No.
09/807,284
Filed
2001-05-30
Effective Filing
2001-04-10
Granted
2003-05-27
Art Unit
1724
PTA
0 days