IP Library › Granted Patent US 6,462,847
Granted Patent Utility
US 6,462,847 · Confirmation No. 1127

METHOD AND APPARATUS FOR FREE-SPACE OPTICAL COMMUNICATION WITHOUT ELECTRO-OPTICAL CONVENSION

Inventor: Heinz Willebrand
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2014-03-20 SES.LOSS Notification of loss of entitlement to small entity status 3 View
2014-03-20 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-03-29 TRNA Transmittal of New Application 6 View
2001-03-29 SPEC Specification 31 View
2001-03-29 CLM Claims 2 View
2001-03-29 ABST Abstract 1 View
2001-03-29 DRW Drawings-only black and white line drawings 20 View
2001-03-29 OATH Oath or Declaration filed 4 View
2001-03-29 LET. Miscellaneous Incoming Letter 15 View
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Quick Facts
Patent No.
US 6,462,847
App. No.
09/823,175
Filed
2001-03-29
Granted
2002-10-08
Pub. No.
US20020012150A1
Art Unit
2633
PTA
-125 days