20.7
07/16/1985
RPI 769
The letters patent expired on 07/06/1993: 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: 07/16/1985. We update with every new RPI gazette, published weekly.
Applicants
H. J. (pessoa física)
Inventors
H. J. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
07/16/1985
RPI 769
#20.1
12/18/1984
RPI 739
#22.1
12/04/1984
RPI 737
10/02/1984
RPI 728
#16.1
11/30/1982
RPI 632
#13.1
08/31/1982
RPI 619
#9.1
04/27/1982
RPI 601
#6.1
10/20/1981
RPI 574
#21.1
07/06/1993
RPI 1179
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Same category
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