20.4
11/10/1987
RPI 890
The letters patent expired on 11/22/1994: 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: 11/10/1987. We update with every new RPI gazette, published weekly.
Applicants
INEQUIL LTD [BR]
Inventors
K. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/10/1987
RPI 890
#16.1
12/30/1986
RPI 845
#13.1
09/02/1986
RPI 828
#9.1
05/13/1986
RPI 812
#6.1
06/18/1985
RPI 765
#4.1
12/04/1984
RPI 737
#3.1
10/13/1982
RPI 625
#21.1
11/22/1994
RPI 1251
02/01/1990
RPI 1004
Same category
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