IP Library › Granted Patent US 6,834,056
Granted Patent Utility
US 6,834,056 · Confirmation No. 3519

VIRTUAL LOCAL AREA NETWORK PROTECTION SWITCHING

Inventor: Tim Hayes
Patented Case View Patent ↗ View Publication ↗
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2020-01-28 OATH Oath or Declaration filed 14 View
2004-11-15 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-11-15 LET. Miscellaneous Incoming Letter 1 View
2004-11-15 DRW Drawings-only black and white line drawings 2 View
2001-06-26 TRNA Transmittal of New Application 6 View
2001-06-26 SPEC Specification 10 View
2001-06-26 CLM Claims 3 View
2001-06-26 ABST Abstract 1 View
2001-06-26 DRW Drawings-only black and white line drawings 2 View
2001-06-26 OATH Oath or Declaration filed 5 View
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Quick Facts
Patent No.
US 6,834,056
App. No.
09/892,811
Filed
2001-06-26
Granted
2004-12-21
Pub. No.
US20020196735A1
Art Unit
2667
PTA
-76 days