Carta-patente expirada
#21.1
Patente extinta em 07/02/2005
06/08/2010
RPI 2057
Application data
Number
PI9005773Type
Filing
Publication
PCT
US1990000748 The letters patent expired on 06/08/2010: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 06/08/2010. We update with every new RPI gazette, published weekly.
Applicants
Schonstedt Instrument Company
US
Inventors
B. O. (pessoa física)
US
C. U. (pessoa física)
US
E. S. (pessoa física)
US
J. R. (pessoa física)
US
IPC Classification
Priority claims
US
323.860 · 03/15/1989
US
428.757 · 10/30/1989
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