Cessão de direito de exploração
#22.1
06/24/1986
RPI 818
The letters patent expired on 09/21/1993: 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: 06/24/1986. We update with every new RPI gazette, published weekly.
Applicants
WESTINGHOUSE AIR BRAKE CO
Inventors
P. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
06/24/1986
RPI 818
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09/21/1993
RPI 1190
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RPI 1047
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