Concessão da patente
#16.1
10/27/1987
RPI 888
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: 10/27/1987. We update with every new RPI gazette, published weekly.
Applicants
I. M. (pessoa física)
Inventors
M. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/27/1987
RPI 888
#13.1
06/09/1987
RPI 868
#9.1
01/13/1987
RPI 847
#6.1
11/05/1985
RPI 785
#5.1
05/25/1982
RPI 605
#4.1
12/22/1981
RPI 583
#21.1
12/07/1993
RPI 1201
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Same category
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