Concessão da patente
#16.1
05/29/1984
RPI 710
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: 05/29/1984. We update with every new RPI gazette, published weekly.
Applicants
B. R. (pessoa física)
Inventors
B. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/29/1984
RPI 710
#13.1
04/10/1984
RPI 703
#9.1
12/13/1983
RPI 686
#6.1
02/22/1983
RPI 644
03/30/1982
RPI 597
#7.1
12/01/1981
RPI 580
#21.1
07/06/1993
RPI 1179
Same category
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