IP Library › Patent Application 09913257
Patent Application Utility PCT National Stage
App. No. 09/913,257 · Confirmation No. 6730

DIRECTIONAL DRILLING APPARATUS

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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2003-08-14 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-11 LET. Miscellaneous Incoming Letter 2 View
2003-08-11 DRW Drawings-only black and white line drawings 8 View
2002-01-14 ABST Abstract 1 View
2002-01-14 LET. Miscellaneous Incoming Letter 46 View
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Quick Facts
App. No.
09/913,257
Filed
2002-01-14
Effective Filing
2001-08-10
Granted
2004-03-16
Art Unit
3672
PTA
0 days