IP Library Granted Patent US 6,668,847
Granted Patent Utility Small
US 6,668,847 · Confirmation No. 2213

COLLAPSIBLE STRUCTURES

Inventor: Yu Zheng
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Code Description Pages PDF
2020-06-25 SOL.NTC.SUIT Report on the filing or determination of an action regarding a patent 5 View
2003-10-31 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-12-02 TRNA Transmittal of New Application 4 View
2002-12-02 A.PE Preliminary Amendment 6 View
2002-12-02 SPEC Specification 14 View
2002-12-02 CLM Claims 3 View
2002-12-02 ABST Abstract 1 View
2002-12-02 DRW Drawings-only black and white line drawings 15 View
2002-12-02 OATH Oath or Declaration filed 2 View
2002-12-02 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,668,847
App. No.
10/307,769
Filed
2002-12-02
Granted
2003-12-30
Pub. No.
US20030079768A1
Art Unit
3634
PTA
-2 days