IP Library Patent Application 09841772
Patent Application Utility
App. No. 09/841,772 · Confirmation No. 6873

INFRARED CHOPPER USING BINARY DIFFRACTIVE OPTICS

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
Code Description Pages PDF
2001-04-24 TRNA Transmittal of New Application 4 View
2001-04-24 A.PE Preliminary Amendment 4 View
2001-04-24 SPEC Specification 10 View
2001-04-24 CLM Claims 3 View
2001-04-24 ABST Abstract 1 View
2001-04-24 DRW Drawings-only black and white line drawings 5 View
2001-04-24 OATH Oath or Declaration filed 6 View
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Quick Facts
App. No.
09/841,772
Filed
2001-04-24
Granted
2002-08-20
Pub. No.
US20010038974A1
Art Unit
2878
PTA
-93 days