IP Library Patent Application 09912909
Patent Application Utility Small
App. No. 09/912,909 · Confirmation No. 6009

COLLAPSIBLE STRUCTURES

Inventor: Yu Zheng
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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Code Description Pages PDF
2004-06-08 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-07-25 TRNA Transmittal of New Application 2 View
2001-07-25 A.PE Preliminary Amendment 3 View
2001-07-25 SPEC Specification 12 View
2001-07-25 CLM Claims 4 View
2001-07-25 ABST Abstract 1 View
2001-07-25 DRW Drawings-only black and white line drawings 11 View
2001-07-25 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
09/912,909
Filed
2001-07-25
Granted
2004-07-27
Pub. No.
US20010039959A1
Art Unit
3637
PTA
-122 days