IP Library › Patent Application 61251985
Patent Application Provisional
App. No. 61/251,985 · Confirmation No. 9301

DRIVING APPARATUS FOR HEAT EXCHANGER TUBE CLEANING LANCE

Provisional Application Expired
⬇ PDF
 Code Description Pages PDF
2009-12-24 APP.FILE.REC Filing Receipt 3 View
2009-12-17 PEFR Applicant Response to Pre-Exam Formalities Notice 2 View
2009-12-17 TR.PROV Provisional Cover Sheet (SB16) 2 View
2009-12-17 WFEE Fee Worksheet (SB06) 2 View
2009-12-17 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-11-13 NTC.MISS.PRT Notice to File Missing Parts 2 View
2009-11-13 APP.FILE.REC Filing Receipt 3 View
2009-10-15 TR.PROV Provisional Cover Sheet (SB16) 2 View
2009-10-15 DRW Drawings-only black and white line drawings 18 View
2009-10-15 SPEC Specification 9 View
2009-10-15 CLM Claims 1 View
2009-10-15 WFEE Fee Worksheet (SB06) 2 View
2009-10-15 N417 Electronic Filing System Acknowledgment Receipt 2 View
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Quick Facts
App. No.
61/251,985
Filed
2009-10-15