Concessão da patente
#16.1
02/28/1984
RPI 697
The letters patent expired on 04/25/1995: 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: 02/28/1984. We update with every new RPI gazette, published weekly.
Applicants
B. H. (pessoa física)
B. J. (pessoa física)
B. M. (pessoa física)
Inventors
B. H. (pessoa física)
B. J. (pessoa física)
B. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/28/1984
RPI 697
#13.1
11/29/1983
RPI 684
#9.1
08/09/1983
RPI 668
#6.1
02/22/1983
RPI 644
#4.1
06/15/1982
RPI 608
#21.1
04/25/1995
RPI 1273
Same category
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