Concessão da patente
#16.1
12/30/1986
RPI 845
The letters patent expired on 05/02/1995: 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: 12/30/1986. We update with every new RPI gazette, published weekly.
Applicants
C. G. (pessoa física)
E. C. (pessoa física)
RJ, BR
Inventors
D. E. (pessoa física)
G. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/30/1986
RPI 845
#9.1
06/03/1986
RPI 815
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12/04/1984
RPI 737
#4.1
12/08/1981
RPI 581
#21.1
05/02/1995
RPI 1274
Same category
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