IP Library Patent Application 09682396
Patent Application Utility
App. No. 09/682,396 · Confirmation No. 5703

UNIFORM ILLUMINATION OPTICAL DEVICE WITH A CONCAVE LENS

Inventor: Hao-Chih Chen
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
Code Description Pages PDF
2001-08-30 TRNA Transmittal of New Application 8 View
2001-08-30 ADS Application Data Sheet 1 View
2001-08-30 SPEC Specification 8 View
2001-08-30 CLM Claims 6 View
2001-08-30 ABST Abstract 2 View
2001-08-30 DRW Drawings-only black and white line drawings 7 View
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Quick Facts
App. No.
09/682,396
Filed
2001-08-30
Granted
2002-06-04
Pub. No.
US20020027717A1
Art Unit
2873
PTA
0 days