Concessão da patente
#16.1
07/25/1989
RPI 979
The letters patent expired on 10/03/1995: 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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
E. B. (pessoa física)
SP, BR
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/25/1989
RPI 979
#13.1
01/10/1989
RPI 951
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09/27/1988
RPI 936
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04/19/1988
RPI 913
#4.1
04/22/1987
RPI 861
#3.1
01/21/1987
RPI 848
#2.1
08/20/1985
RPI 774
#21.1
10/03/1995
RPI 1296
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Same category
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