IP Library › Granted Patent US 6,667,452
Granted Patent Utility
US 6,667,452 · Confirmation No. 2806

HIGH-VOLTAGE CIRCUIT-BREAKER HAVING A SPRING-LOADED CONTROL MECHANISM WITH AN ENERGY-RECOVERING ADDITIONAL SPRING

Inventor: Hubert Spiegel
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2003-10-07 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-02-26 TRNA Transmittal of New Application 1 View
2002-02-26 SPEC Specification 9 View
2002-02-26 CLM Claims 2 View
2002-02-26 ABST Abstract 1 View
2002-02-26 DRW Drawings-only black and white line drawings 2 View
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Quick Facts
Patent No.
US 6,667,452
App. No.
10/082,317
Filed
2002-02-26
Granted
2003-12-23
Pub. No.
US20020121503A1
Art Unit
2832
PTA
0 days