IP Library › Granted Patent US 6,742,322
Granted Patent Utility
US 6,742,322 · Confirmation No. 9494

PORTABLE PLASTIC FILM WRAPPING SYSTEM

Inventor: Zhang Qicang
Patented Case View Patent ↗ View Publication ↗
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2018-04-24 RETMAIL Mail returned to USPTO as undelivered 2 View
2018-04-11 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2018-04-11 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2018-04-05 PA.. Power of Attorney 1 View
2018-04-05 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2018-04-05 N417 Electronic Filing System Acknowledgment Receipt 2 View
2004-04-21 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-04-21 LET. Miscellaneous Incoming Letter 1 View
2004-04-21 DRW Drawings-only black and white line drawings 4 View
2002-05-24 TRNA Transmittal of New Application 2 View
2002-05-24 DRW Drawings-only black and white line drawings 4 View
2002-04-12 TRNA Transmittal of New Application 1 View
2002-04-12 SPEC Specification 29 View
2002-04-12 CLM Claims 13 View
2002-04-12 ABST Abstract 1 View
2002-04-12 DRW Drawings-only black and white line drawings 5 View
2002-04-12 OATH Oath or Declaration filed 2 View
2002-04-12 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,742,322
App. No.
10/120,349
Filed
2002-04-12
Granted
2004-06-01
Pub. No.
US20030192291A1
Art Unit
3721
PTA
-42 days