Concessão da patente
#16.1
02/03/1987
RPI 850
The letters patent expired on 12/07/1993: 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: 02/03/1987. We update with every new RPI gazette, published weekly.
Applicants
INST MAUA TECNOLOGIA IMT [BR]
Inventors
C. (pessoa física)
D. A. (pessoa física)
J. A. (pessoa física)
T. J. (pessoa física)
W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/03/1987
RPI 850
#13.1
09/23/1986
RPI 831
#9.1
05/27/1986
RPI 814
#6.1
06/11/1985
RPI 764
#4.1
09/04/1984
RPI 724
#3.1
12/20/1983
RPI 687
#2.1
06/22/1982
RPI 609
#21.1
12/07/1993
RPI 1201
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