20.11
11/16/1988
RPI 943
The letters patent expired on 07/26/1994: 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: 11/16/1988. We update with every new RPI gazette, published weekly.
Applicants
B. R. (pessoa física)
PR, BR
F. C. (pessoa física)
PR, BR
J. S. (pessoa física)
PR, BR
Inventors
B. R. (pessoa física)
BR
F. C. (pessoa física)
BR
J. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/16/1988
RPI 943
#20.1
09/20/1988
RPI 935
04/07/1987
RPI 859
#20.1
08/14/1984
RPI 721
#20.1
08/07/1984
RPI 720
04/10/1984
RPI 703
#16.1
06/28/1983
RPI 662
#13.1
01/11/1983
RPI 638
#9.1
08/24/1982
RPI 618
#4.1
02/09/1982
RPI 590
#21.1
07/26/1994
RPI 1234
From the same holder
Same category
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